How far is Islip, NY from Niagara Falls, NY?

The driving distance from Islip, NY to Niagara Falls, NY is about 439.4 miles (707.2 km), with a travel time of about 09h 16m by car.

  • The straight-line flight distance is about 342 miles (550.4 km).
  • For a round trip, plan for roughly 18h 32m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
439.41 mi
09h 16m
Flight
342.02 mi
550.42 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Islip.

Flight Distance

Direct air line
342.02 mi
Kilometers
550.42 km
Flight Time
00h 41m

Driving Distance

Road route
439.41 mi
Kilometers
707.17 km
Drive Time
09h 16m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 09h 16m.

Arrival Snapshot
Arrive in Niagara Falls
Thu, Apr 23, 4:18 AM EDT
Return by in Islip
Thu, Apr 23, 1:34 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Islip
2026-04-22T19:01
Arrive Niagara Falls
Thu, Apr 23, 4:18 AM EDT
Route Timing
09h 16m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
3:16 PM to 4:46 PM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
5:28 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Islip
8:00 PM EDT
Overnight-style route

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Kirkwood
NY

Town in Broome County, New York, United States

From Islip
219.5 mi
04h 38m
To Niagara Falls
220 mi
04h 38m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Islip Weather
NY
Live fallback forecast
61°F
Wednesday
Using North Great River as the closest live forecast in the Suffolk County weather hub.

Partly Sunny then Slight Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
10 mph SW
Destination
58°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
6 mph N

Driving Route Map

The map below follows the saved road route between Islip and Niagara Falls.

Turn-by-Turn Driving Directions

Step-by-step road directions between Islip and Niagara Falls.

  1. 1

    Start on Main Street

    1.2 km · 1 min · Main Street

  2. 2

    Continue on Montauk Highway

    1014 ft · 19 sec · Montauk Highway

  3. 3

    Continue on Main Street

    1.1 mi · 2 min · Main Street

  4. 4

    Turn right onto 3rd Avenue

    2920 ft · 1 min · 3rd Avenue

  5. 5

    Continue on Rossevelt Street

    1821 ft · 37 sec · Rossevelt Street

  6. 6

    Continue on Howells Road

    1.1 km · 2 min · Howells Road

  7. 7

    Turn straight onto Sunrise Highway

    50 m · 3 sec · Sunrise Highway

  8. 8

    Keep slight right to continue on Howells Road

    1588 ft · 36 sec · Howells Road

  9. 9

    Continue on Bay Shore Road

    3165 ft · 1 min · Bay Shore Road

  10. 10

    Take the ramp slight right toward SO West: New York

    736 ft · 19 sec

  11. 11

    Continue straight

    111 m · 9 sec

  12. 12

    Merge slight left onto Southern State Parkway

    24.7 mi · 32 min · Southern State Parkway

  13. 13

    Take the exit slight right toward Cross Island Parkway North, Whitestone Bridge

    1780 ft · 43 sec

  14. 14

    Merge slight left onto Cross Island Parkway

    1.3 mi · 2 min · Cross Island Parkway

  15. 15

    Take the exit slight right toward NY 24: UBS Arena-Belmont Park

    97 m · 9 sec

  16. 16

    Keep slight left to continue on NY 24 West: Hempstead Avenue

    133 m · 12 sec

  17. 17

    Keep slight right to continue on Cross Island Parkway North, Hempstead Avenue West

    532 ft · 15 sec

  18. 18

    Keep slight right to continue on Hempstead Avenue West

    81 m · 8 sec

  19. 19

    Continue on Grandstand, Hempstead Avenue West

    549 ft · 14 sec

  20. 20

    Keep slight left to continue on Hempstead Avenue

    31 m · 5 sec

  21. 21

    Turn right onto Hempstead Avenue

    1.6 km · 2 min · Hempstead Avenue

  22. 22

    Turn left onto Jamaica Avenue

    553 ft · 17 sec · Jamaica Avenue

  23. 23

    Turn right onto 212th Street

    1.2 km · 1 min · 212th Street

  24. 24

    Continue on Clearview Expressway

    5 mi · 5 min · Clearview Expressway

  25. 25

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  26. 26

    Continue on Throgs Neck Expressway

    1.1 km · 1 min · Throgs Neck Expressway

  27. 27

    Keep slight left to continue on Cross Bronx Expressway

    6.6 mi · 9 min · Cross Bronx Expressway

  28. 28

    Keep slight left to continue on Trans-Manhattan Expressway

    1.1 km · 1 min · Trans-Manhattan Expressway

  29. 29

    Continue on George Washington Bridge (upper level)

    3167 ft · 60 sec · George Washington Bridge (upper level)

  30. 30

    Continue straight

    2659 ft · 48 sec

  31. 31

    Keep slight left

    3214 ft · 39 sec

  32. 32

    Keep slight left

    559 ft · 9 sec

  33. 33

    Take the exit slight right toward I 95 South, NJTP South: Hackensack

    1270 ft · 23 sec

  34. 34

    Keep slight left to continue on I 95 South, NJTP South: Hackensack

    1884 ft · 29 sec

  35. 35

    Merge slight left onto New Jersey Turnpike

    2 mi · 3 min · New Jersey Turnpike

  36. 36

    Take the exit slight right toward I 80 West: Paterson, Hackensack

    1.3 km · 1 min

  37. 37

    Continue on Christopher Columbus Highway

    68.2 mi · 1 hr 21 min · Christopher Columbus Highway

  38. 38

    Keep slight left to continue on Keystone Shortway

    5.5 mi · 8 min · Keystone Shortway

  39. 39

    Keep slight left to continue on Keystone Shortway

    11.9 mi · 16 min · Keystone Shortway

  40. 40

    Take the exit slight right toward I 380 North: Scranton

    1.1 km · 46 sec

  41. 41

    Continue straight

    27.7 mi · 31 min

  42. 42

    Merge slight right

    58.1 mi · 1 hr 9 min

  43. 43

    Keep slight right to continue on I 81 North: Syracuse, Albany

    1.8 mi · 2 min

  44. 44

    Keep slight left to continue on I 81 North: Syracuse

    37.4 mi · 44 min

  45. 45

    Take the exit slight right toward NY 13: Cortland

    789 ft · 22 sec

  46. 46

    Turn right onto Clinton Avenue

    12 m · 5 sec · Clinton Avenue

  47. 47

    Turn left onto Locust Avenue

    1.2 mi · 2 min · Locust Avenue

  48. 48

    Continue on Albany Street

    3055 ft · 1 min · Albany Street

  49. 49

    At the end of the road, turn right onto South Main Street

    2126 ft · 1 min · South Main Street

  50. 50

    Turn left onto Clinton Street

    10.5 mi · 15 min · Clinton Street

  51. 51

    Continue on East Lake Road

    2904 ft · 49 sec · East Lake Road

  52. 52

    Continue on State Route 41

    4.8 mi · 7 min · State Route 41

  53. 53

    Continue on East Lake Road

    9.4 mi · 14 min · East Lake Road

  54. 54

    Continue on East Lake Street

    2676 ft · 48 sec · East Lake Street

  55. 55

    Turn left onto East Genesee Street

    7.3 mi · 14 min · East Genesee Street

  56. 56

    Turn right onto North Fulton Street

    815 ft · 13 sec · North Fulton Street

  57. 57

    Turn left onto Arterial West

    1931 ft · 1 min · Arterial West

  58. 58

    Continue on Chase Street

    9.8 mi · 11 min · Chase Street

  59. 59

    Continue on Auburn Road

    1.9 mi · 2 min · Auburn Road

  60. 60

    Turn right

    4.1 mi · 7 min

  61. 61

    Continue straight

    97 m · 10 sec

  62. 62

    Turn right onto State Route 414

    1557 ft · 29 sec · State Route 414

  63. 63

    Continue on Ridge Road

    66 m · 11 sec · Ridge Road

  64. 64

    Take the ramp left

    945 ft · 23 sec

  65. 65

    Keep slight left to continue on I 90 West: Buffalo

    3202 ft · 1 min

  66. 66

    Merge slight left onto New York State Thruway

    99.6 mi · 1 hr 55 min · New York State Thruway

  67. 67

    Take the exit slight right toward I 290: Niagara Falls

    2277 ft · 37 sec

  68. 68

    Continue on Youngmann Expressway

    9.5 mi · 13 min · Youngmann Expressway

  69. 69

    Keep slight right to continue on I 190 North / Niagara Falls

    1708 ft · 42 sec · I 190 North / Niagara Falls

  70. 70

    Merge slight left onto Niagara Thruway

    6.8 mi · 8 min · Niagara Thruway

  71. 71

    Continue on North Grand Island Bridge

    1.1 km · 58 sec · North Grand Island Bridge

  72. 72

    Take the exit slight right toward NY 384: Niagara Scenic Parkway, Niagara Falls State Park, American Falls State Park

    126 m · 14 sec

  73. 73

    Keep slight right to continue on Niagara Science Parkway, New York State Park, American Falls

    946 ft · 32 sec

  74. 74

    Continue on Niagara Scenic Parkway

    3.2 mi · 5 min · Niagara Scenic Parkway

  75. 75

    Enter the roundabout and take exit 1 toward John B. Daly Boulevard

    9 m · 2 sec · John B. Daly Boulevard

  76. 76

    Exit the roundabout onto John B. Daly Boulevard

    2873 ft · 49 sec · John B. Daly Boulevard

  77. 77

    At the end of the road, turn left onto Niagara Street

    121 m · 11 sec · Niagara Street

  78. 78

    Turn right onto 7th Street

    2170 ft · 2 min · 7th Street

  79. 79

    Turn left onto Pine Avenue

    609 ft · 19 sec · Pine Avenue

  80. 80

    Arrive at your destination

    0 m · 1 sec · Pine Avenue

Car Route Details

A richer read on the saved driving route between Islip and Niagara Falls.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
80 steps
20 turns on the saved route
Ramps & Exits
18
6 merges, 12 ramps or exits
Navigation Density
18.2 / 100 mi
Decision points by distance
Main Roads
New York State Thruway
99.6 mi · 23%
I 380 North
86.4 mi · 20%
Christopher Columbus Highway
68.2 mi · 16%
I 81 North
39.3 mi · 9%
Southern State Parkway
24.7 mi · 6%
Keystone Shortway
17.3 mi · 4%
Longest Stretch

New York State Thruway

Merge slight left onto New York State Thruway

99.6 mi · 01h 55m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
09h 16m
Overnight route
Same-Day Return
18h 32m
Round-trip wheel time
Road vs Air
+97.4 mi
342 mi direct line
Halfway Stop
Kirkwood
04h 38m from Islip
Leave By
5:28 PM EDT
Overnight-style route
Weather Watch

Partly Sunny then Slight Chance Rain Showers leaving Islip and Mostly Sunny near Niagara Falls.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Islip to Niagara Falls?

The road trip is about 439.4 miles (707.2 km) and usually takes 09h 16m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Kirkwood is a useful midpoint, sitting about 219.5 miles from Islip and 220 miles from Niagara Falls.

How much longer is the road route than the straight-line distance?

The direct path is about 342 miles (550.4 km), while the road route adds roughly 97.4 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 6:00 AM to 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $62.18 one way or $124.36 round trip. Estimated CO2 is about 137.8 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny then Slight Chance Rain Showers around Islip and Mostly Sunny near Niagara Falls.

Stop Ideas Near Kirkwood

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Kirkwood, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Kirkwood.

BUS

Scranton, PA

71 mi away
23 Lackawanna Avenue
BUS

Wilkes-Barre, PA

89 mi away
47 South Washington Street
BUS

White Haven, PA

108 mi away
I-476, Exit 95/I-80, Exit 277, at Hwy 940

Flight Path Map

This map shows the direct air route between Islip and Niagara Falls. Straight-line distance: 342.02 mi (550.42 km).

Islip

#1 Islip

This Long Island community is situated on the south shore of Suffolk County, New York, at an elevation of 13 feet.

Population322,328
Coordinates40.7298200, -73.2103900
Altitude4
CountryUnited States
Niagara Falls

#2 Niagara Falls

A city in Niagara County, New York.

Population47,392
Coordinates43.0945000, -79.0567100
Altitude187
CountryUnited States
Start: Islip (-73.21039, 40.72982)
End: Niagara Falls (-79.05671, 43.0945)

Estimated Travel Time

Distance: 707 km by road

SpeedTime
30 mph (48.3 km/h)14h 38m
40 mph (64.37 km/h)10h 59m
50 mph (80.47 km/h)08h 47m
60 mph (96.56 km/h)07h 19m
70 mph (112.65 km/h)06h 16m
80 mph (129 km/h)05h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.51 gal
58.7 L · about $62.18
Round trip
$124.36
31.02 gal · 117.4 L
Estimated CO2
137.8 kg one way
Round trip: 275.7 kg / 608 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $62.18 $124.36
Mid-grade $4.48 $69.50 $139.00
Premium $4.86 $75.39 $150.79
Diesel $4.69 $72.80 $145.61

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in New York · Apr 22, 2026

There is no time difference between Islip and Niagara Falls. The current time is 19:01:46.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.