How far is Grand Island, NY from Islip, NY?

The driving distance from Grand Island, NY to Islip, NY is about 454.2 miles (730.9 km), with a travel time of about 07h 22m by car.

  • The straight-line flight distance is about 335.9 miles (540.5 km).
  • For a round trip, plan for roughly 14h 45m 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
454.15 mi
07h 22m
Flight
335.88 mi
540.54 km direct

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

Learn Distance

Choose another destination from Grand Island.

Flight Distance

Direct air line
335.88 mi
Kilometers
540.54 km
Flight Time
00h 40m

Driving Distance

Road route
454.15 mi
Kilometers
730.88 km
Drive Time
07h 22m

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 07h 22m.

Arrival Snapshot
Arrive in Islip
Sat, Apr 18, 8:58 AM EDT
Return by in Grand Island
Sat, Apr 18, 4:21 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Grand Island
2026-04-18T01:35
Arrive Islip
Sat, Apr 18, 8:58 AM EDT
Route Timing
07h 22m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
1:23 PM to 2:53 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
9:14 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Grand Island
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 Grand Island
215.6 mi
03h 41m
To Islip
238.5 mi
03h 41m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Saturday

Showers And Thunderstorms Likely

Starts
Sat, Apr 18 6:00 AM EDT
Wind
6 to 12 mph S
Destination
60°F
Saturday

Partly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 to 8 mph E

Driving Route Map

The map below follows the saved road route between Grand Island and Islip.

Turn-by-Turn Driving Directions

Step-by-step road directions between Grand Island and Islip.

  1. 1

    Start on Colonial Drive

    743 ft · 38 sec · Colonial Drive

  2. 2

    Turn left onto Homeland Drive

    142 m · 26 sec · Homeland Drive

  3. 3

    Turn left onto Baseline Road

    1.1 km · 2 min · Baseline Road

  4. 4

    Turn slight left onto Grand Island Boulevard

    1.5 mi · 3 min · Grand Island Boulevard

  5. 5

    Enter the roundabout and take exit 2 toward Grand Island Boulevard

    26 m · 2 sec · Grand Island Boulevard

  6. 6

    Exit the roundabout onto Grand Island Boulevard

    58 m · 4 sec · Grand Island Boulevard

  7. 7

    Continue on South Parkway

    917 ft · 18 sec · South Parkway

  8. 8

    Take the ramp slight left toward I 190 S

    1722 ft · 42 sec

  9. 9

    Merge slight left onto Niagara Thruway

    1.6 mi · 2 min · Niagara Thruway

  10. 10

    Take the exit slight right toward I 290 East: Tonawanda, Rochester

    1993 ft · 49 sec

  11. 11

    Continue on Youngmann Expressway

    9.5 mi · 13 min · Youngmann Expressway

  12. 12

    Keep slight left to continue on I 90 East: Albany

    1 km · 57 sec

  13. 13

    Merge slight left onto New York State Thruway

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

  14. 14

    Take the exit slight right toward NY 414: Waterloo, Clyde

    2420 ft · 59 sec

  15. 15

    Keep slight right

    100 m · 8 sec

  16. 16

    Continue on State Route 414

    1557 ft · 35 sec · State Route 414

  17. 17

    Turn left

    4.1 mi · 7 min

  18. 18

    At the end of the road, turn left onto Auburn Road

    1.9 mi · 2 min · Auburn Road

  19. 19

    Continue on Clark Street Road

    9.6 mi · 11 min · Clark Street Road

  20. 20

    Turn right onto State Street

    69 m · 12 sec · State Street

  21. 21

    Turn left onto Dill Street

    720 ft · 22 sec · Dill Street

  22. 22

    Continue on Loop Road

    140 m · 17 sec · Loop Road

  23. 23

    Turn left onto Genesee Street

    5.5 mi · 10 min · Genesee Street

  24. 24

    Continue on West Genesee Street Road

    2.2 mi · 5 min · West Genesee Street Road

  25. 25

    Turn right onto East Lake Street

    2676 ft · 45 sec · East Lake Street

  26. 26

    Continue on East Lake Road

    9.4 mi · 14 min · East Lake Road

  27. 27

    Continue on State Route 41

    4.8 mi · 7 min · State Route 41

  28. 28

    Continue on East Lake Road

    2904 ft · 49 sec · East Lake Road

  29. 29

    Continue on State Highway 41

    9.8 mi · 14 min · State Highway 41

  30. 30

    Turn right onto North West Street

    1.2 mi · 3 min · North West Street

  31. 31

    Take the ramp left

    1.1 km · 1 min

  32. 32

    Keep slight right to continue on I 81 South: Binghamton

    1396 ft · 34 sec

  33. 33

    Merge slight left

    45.4 mi · 54 min

  34. 34

    Keep slight right to continue on I 81 South: Scranton

    53.4 mi · 1 hr 3 min

  35. 35

    Keep slight right to continue on I 84 East, I 380 South, US 6 East: Carbondale, Mt Pocono

    1.2 km · 1 min

  36. 36

    Continue on I 84 East, I 380 South: Mount Pocono, Milford

    3.7 mi · 5 min

  37. 37

    Keep slight right to continue on I 380 South: Mount Pocono

    23.6 mi · 26 min

  38. 38

    Keep slight left to continue on I 80 East: Stroudsburg

    1 mi · 1 min

  39. 39

    Merge slight right onto Keystone Shortway

    80 mi · 1 hr 37 min · Keystone Shortway

  40. 40

    Keep slight right to continue on Christopher Columbus Highway

    5.5 mi · 6 min · Christopher Columbus Highway

  41. 41

    Keep slight left to continue on I 95 North: George Washington Bridge, New York City

    1503 ft · 23 sec

  42. 42

    Keep slight right to continue on Leonia, Teaneck

    2128 ft · 38 sec

  43. 43

    Turn right onto Leonia

    1032 ft · 35 sec

  44. 44

    Turn straight onto Degraw Avenue

    138 m · 9 sec · Degraw Avenue

  45. 45

    Continue on Fort Lee Road

    1.1 mi · 2 min · Fort Lee Road

  46. 46

    Continue on Main Street

    143 m · 13 sec · Main Street

  47. 47

    Take the ramp left toward George Washington Bridge

    144 m · 13 sec

  48. 48

    Merge slight left onto Bergen Boulevard

    1552 ft · 29 sec · Bergen Boulevard

  49. 49

    Take the exit slight left toward George Washington Bridge Upper Level

    95 m · 5 sec

  50. 50

    Merge slight left

    1649 ft · 20 sec

  51. 51

    Keep slight left

    1.3 km · 1 min

  52. 52

    Continue on George Washington Bridge (upper level)

    3174 ft · 1 min · George Washington Bridge (upper level)

  53. 53

    Continue on Trans-Manhattan Expressway

    1.2 km · 1 min · Trans-Manhattan Expressway

  54. 54

    Continue on Cross Bronx Expressway

    4.7 mi · 6 min · Cross Bronx Expressway

  55. 55

    Keep slight right to continue on Cross Bronx Expressway

    2 mi · 3 min · Cross Bronx Expressway

  56. 56

    Merge slight left onto Throgs Neck Expressway

    3271 ft · 58 sec · Throgs Neck Expressway

  57. 57

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  58. 58

    Continue on Clearview Expressway

    5 mi · 5 min · Clearview Expressway

  59. 59

    Continue on Hollis Court Boulevard

    1.2 km · 1 min · Hollis Court Boulevard

  60. 60

    At the end of the road, turn left onto Jamaica Avenue

    1117 ft · 35 sec · Jamaica Avenue

  61. 61

    Turn right onto Hempstead Avenue

    1.4 km · 2 min · Hempstead Avenue

  62. 62

    Turn right onto 225th Street

    69 m · 10 sec · 225th Street

  63. 63

    Take the ramp straight toward Cross Island Parkway South, Verrazano Bridge

    1171 ft · 29 sec

  64. 64

    Merge slight left onto Cross Island Parkway

    1.3 mi · 2 min · Cross Island Parkway

  65. 65

    Take the exit slight left toward Southern State Parkway East, Eastern Long Island

    2383 ft · 1 min

  66. 66

    Merge slight left onto Southern State Parkway

    24.5 mi · 31 min · Southern State Parkway

  67. 67

    Keep slight left to continue on Southern State Parkway

    1072 ft · 16 sec · Southern State Parkway

  68. 68

    Take the exit slight right toward Bay Shore Road South, Bay Shore

    1044 ft · 32 sec

  69. 69

    Turn straight onto Bay Shore Road

    2667 ft · 1 min · Bay Shore Road

  70. 70

    Continue on Howells Road

    1845 ft · 44 sec · Howells Road

  71. 71

    Turn straight onto Sunrise Highway

    104 m · 7 sec · Sunrise Highway

  72. 72

    Keep slight right to continue on Howells Road

    3115 ft · 2 min · Howells Road

  73. 73

    Continue on Roosevelt Street

    1248 ft · 25 sec · Roosevelt Street

  74. 74

    Continue on 3rd Avenue

    1 km · 1 min · 3rd Avenue

  75. 75

    At the end of the road, turn left onto East Main Street

    1.1 mi · 2 min · East Main Street

  76. 76

    Continue on Montauk Highway

    1014 ft · 17 sec · Montauk Highway

  77. 77

    Continue on Main Street

    1.2 km · 1 min · Main Street

  78. 78

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

A richer read on the saved driving route between Grand Island and Islip.

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
78 steps
20 turns on the saved route
Ramps & Exits
20
9 merges, 11 ramps or exits
Navigation Density
17.2 / 100 mi
Decision points by distance
Main Roads
New York State Thruway
99.4 mi · 22%
I 81 South
99 mi · 22%
Keystone Shortway
80 mi · 18%
Southern State Parkway
24.7 mi · 5%
I 380 South
23.6 mi · 5%
East Lake Road
9.92 mi · 2%
Longest Stretch

New York State Thruway

Merge slight left onto New York State Thruway

99.4 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
07h 22m
Overnight route
Same-Day Return
14h 46m
Round-trip wheel time
Road vs Air
+118.3 mi
335.9 mi direct line
Halfway Stop
Kirkwood
03h 41m from Grand Island
Leave By
9:14 PM EDT
Overnight-style route
Weather Watch

Showers And Thunderstorms Likely leaving Grand Island and Partly Sunny near Islip.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Grand Island to Islip?

The road trip is about 454.2 miles (730.9 km) and usually takes 07h 22m 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 215.6 miles from Grand Island and 238.5 miles from Islip.

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

The direct path is about 335.9 miles (540.5 km), while the road route adds roughly 118.3 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 $64.22 one way or $128.45 round trip. Estimated CO2 is about 142.4 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Grand Island and Partly Sunny near Islip.

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 Grand Island and Islip. Straight-line distance: 335.88 mi (540.54 km).

Grand Island

#1 Grand Island

Town in New York

Population21,767
Coordinates43.0331100, -78.9625400
Altitude178
CountryUnited States
Islip

#2 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
Start: Colonial Drive (-78.962623, 43.033052)
End: Main Street (-73.210382, 40.729789)

Estimated Travel Time

Distance: 731 km by road

SpeedTime
30 mph (48.3 km/h)15h 07m
40 mph (64.37 km/h)11h 21m
50 mph (80.47 km/h)09h 04m
60 mph (96.56 km/h)07h 34m
70 mph (112.65 km/h)06h 29m
80 mph (129 km/h)05h 39m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
16.02 gal
60.66 L · about $64.22
Round trip
$128.45
32.04 gal · 121.32 L
Estimated CO2
142.4 kg one way
Round trip: 284.7 kg / 628 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $64.22 $128.45
Mid-grade $4.48 $71.79 $143.57
Premium $4.86 $77.87 $155.75
Diesel $4.69 $75.20 $150.40

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 18, 2026

There is no time difference between Grand Island and Islip. The current time is 01:35:10.

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.