How far is Islip, NY from Keene, NY?

The driving distance from Islip, NY to Keene, NY is about 311.4 miles (501.1 km), with a travel time of about 06h 25m by car.

  • The straight-line flight distance is about 245.4 miles (395 km).
  • For a round trip, plan for roughly 12h 51m 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
311.4 mi
06h 25m
Flight
245.44 mi
395 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
245.44 mi
Kilometers
395 km
Flight Time
00h 29m

Driving Distance

Road route
311.4 mi
Kilometers
501.15 km
Drive Time
06h 25m

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 06h 25m.

Arrival Snapshot
Arrive in Keene
Thu, Apr 16, 1:50 AM EDT
Return by in Islip
Thu, Apr 16, 8:16 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Islip
2026-04-15T19:24
Arrive Keene
Thu, Apr 16, 1:50 AM EDT
Route Timing
06h 25m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
12:26 PM to 1:56 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
11:08 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
Catskill
NY

Town in New York state, USA

From Islip
155.7 mi
03h 12m
To Keene
155.7 mi
03h 12m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
76°F
Today

Mostly Sunny then Slight Chance Rain Showers

Starts
Wed, Apr 15 7:00 AM EDT
Wind
3 to 10 mph SW
Destination
62°F
This Afternoon

Chance Rain Showers

Starts
Wed, Apr 15 4:00 PM EDT
Wind
5 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Islip and Keene.

  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 right to continue on NJ 4 West: Paramus

    970 ft · 24 sec

  35. 35

    Merge slight right

    6.7 mi · 9 min

  36. 36

    Take the exit straight toward GSP South, NJ 17 South, GSP North, NJ 17 North: Grand State Plaza, Newark, Mahwah

    951 ft · 26 sec

  37. 37

    Keep slight right to continue on NJ 17 North: Mahwah

    1302 ft · 37 sec

  38. 38

    Merge slight left

    3.3 mi · 4 min

  39. 39

    Continue straight

    7.3 mi · 10 min

  40. 40

    Continue straight

    1.2 km · 50 sec

  41. 41

    Continue straight

    3.3 mi · 4 min

  42. 42

    Continue straight

    877 ft · 11 sec

  43. 43

    Keep slight left to continue on I 87 North, NY 17 North, New York State Thruway North: Albany

    111.7 mi · 2 hr 9 min

  44. 44

    Take the exit slight right toward I 787, US 9W: Albany, Troy

    1351 ft · 50 sec

  45. 45

    Continue straight

    9 mi · 12 min

  46. 46

    Keep slight left

    1863 ft · 29 sec

  47. 47

    Take the exit slight right toward NY 7 West: Schenectady, Saratoga Springs

    1472 ft · 50 sec

  48. 48

    Merge slight left

    3.1 mi · 4 min

  49. 49

    Take the exit slight right toward I 87 North: Saratoga Springs, Glens Falls

    1.3 km · 2 min

  50. 50

    Merge slight left onto Adirondack Northway

    97.7 mi · 1 hr 54 min · Adirondack Northway

  51. 51

    Take the exit slight right toward US 9, NY 73: Keene, Keene Valley

    1346 ft · 31 sec

  52. 52

    Turn left onto US Highway 9

    2.2 mi · 3 min · US Highway 9

  53. 53

    Keep slight left to continue on State Highway 73

    11.5 mi · 17 min · State Highway 73

  54. 54

    Continue on State Highway 9N

    1.8 mi · 3 min · State Highway 9N

  55. 55

    Keep slight right to continue on State Highway 9N

    1 m · 1 sec · State Highway 9N

  56. 56

    Arrive at your destination

    0 m · 1 sec · State Highway 9N

Car Route Details

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

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
56 steps
6 turns on the saved route
Ramps & Exits
15
6 merges, 9 ramps or exits
Navigation Density
18 / 100 mi
Decision points by distance
Main Roads
I 87 North
113 mi · 36%
Adirondack Northway
97.7 mi · 31%
Southern State Parkway
24.7 mi · 8%
NJ 17 North
15.1 mi · 5%
State Highway 73
11.5 mi · 4%
I 787
9.6 mi · 3%
Longest Stretch

I 87 North

Keep slight left to continue on I 87 North, NY 17 North, New York State Thruway North: Albany

112 mi · 02h 09m

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
06h 25m
Overnight route
Same-Day Return
12h 52m
Round-trip wheel time
Road vs Air
+66 mi
245.4 mi direct line
Halfway Stop
Catskill
03h 12m from Islip
Leave By
11:08 PM EDT
Overnight-style route
Weather Watch

Mostly Sunny then Slight Chance Rain Showers leaving Islip and Chance Rain Showers near Keene.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Islip to Keene?

The road trip is about 311.4 miles (501.1 km) and usually takes 06h 25m 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?

Catskill is a useful midpoint, sitting about 155.7 miles from Islip and 155.7 miles from Keene.

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

The direct path is about 245.4 miles (395 km), while the road route adds roughly 66 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 $44.06 one way or $88.12 round trip. Estimated CO2 is about 97.7 kg one way.

What should you check before leaving?

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

Stop Ideas Near Catskill

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

Mid-route Guidance
Local place coverage is thin around Catskill, 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 Catskill.

RAIL

Hudson

7 mi away
69 South Front St.
RAIL

Rhinecliff–Kingston station

34 mi away
Hutton and Charles Sts.
RAIL

Albany–Rensselaer

48 mi away
525 East St.
RAIL

Joseph Scelsi Intermodal Transportation Center

56 mi away
1 Columbus Avenue

Flight Path Map

This map shows the direct air route between Islip and Keene. Straight-line distance: 245.44 mi (395 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
Photo coming soon

#2 Keene

Town in New York

Population1,060
Coordinates44.2561600, -73.7920900
Altitude256
CountryUnited States
Start: Islip (-73.21039, 40.72982)
End: Keene (-73.79209, 44.25616)

Estimated Travel Time

Distance: 501 km by road

SpeedTime
30 mph (48.3 km/h)10h 22m
40 mph (64.37 km/h)07h 47m
50 mph (80.47 km/h)06h 13m
60 mph (96.56 km/h)05h 11m
70 mph (112.65 km/h)04h 26m
80 mph (129 km/h)03h 53m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.99 gal
41.6 L · about $44.06
Round trip
$88.12
21.98 gal · 83.2 L
Estimated CO2
97.7 kg one way
Round trip: 195.3 kg / 431 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $44.06 $88.12
Mid-grade $4.48 $49.25 $98.49
Premium $4.86 $53.42 $106.84
Diesel $4.69 $51.59 $103.17

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 15, 2026

There is no time difference between Islip and Keene. The current time is 19:24:48.

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.