How far is Islip, NY from Greene, NY?

The driving distance from Islip, NY to Greene, NY is about 243.7 miles (392.2 km), with a travel time of about 05h 03m by car.

  • The straight-line flight distance is about 172.4 miles (277.5 km).
  • For a round trip, plan for roughly 10h 07m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
243.71 mi
05h 03m
Flight
172.44 mi
277.51 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
172.44 mi
Kilometers
277.51 km
Flight Time
00h 20m

Driving Distance

Road route
243.71 mi
Kilometers
392.22 km
Drive Time
05h 03m

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 05h 03m.

Arrival Snapshot
Arrive in Greene
Thu, Apr 23, 2:25 AM EDT
Return by in Islip
Thu, Apr 23, 7:29 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Islip
2026-04-22T21:21
Arrive Greene
Thu, Apr 23, 2:25 AM EDT
Route Timing
05h 03m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
11:04 AM to 1:04 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:52 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Islip
9:00 PM EDT
Early departure recommended

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
Port Jervis
NY

City in Orange County, New York

From Islip
121.8 mi
02h 31m
To Greene
122 mi
02h 31m

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
62°F
Wednesday

Chance Rain Showers then Partly Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
2 to 6 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    57.4 mi · 1 hr 8 min

  43. 43

    Take the exit slight right toward NY 7: Binghamton, Port Dickinson

    1048 ft · 26 sec

  44. 44

    Keep slight right to continue on NY 7 East: Port Dickinson

    64 m · 6 sec

  45. 45

    Turn slight right onto Brandywine Highway

    3.5 mi · 5 min · Brandywine Highway

  46. 46

    Take the exit slight right toward NY 12A West: Chenango Bridge

    857 ft · 21 sec

  47. 47

    Keep slight left

    127 m · 11 sec

  48. 48

    Turn left onto Chenango Bridge Road

    1 mi · 1 min · Chenango Bridge Road

  49. 49

    At the end of the road, turn right onto Front Street

    2.9 mi · 3 min · Front Street

  50. 50

    Continue on State Highway 12

    10.9 mi · 12 min · State Highway 12

  51. 51

    Turn right onto Genesee Street

    1512 ft · 26 sec · Genesee Street

  52. 52

    Arrive at your destination

    0 m · 1 sec · Genesee Street

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
52 steps
10 turns on the saved route
Ramps & Exits
12
4 merges, 8 ramps or exits
Navigation Density
21.3 / 100 mi
Decision points by distance
Main Roads
I 380 North
85.7 mi · 35%
Christopher Columbus Highway
68.2 mi · 28%
Southern State Parkway
24.7 mi · 10%
Keystone Shortway
17.3 mi · 7%
State Highway 12
10.9 mi · 4%
Cross Bronx Expressway
6.64 mi · 3%
Longest Stretch

Christopher Columbus Highway

Continue on Christopher Columbus Highway

68.2 mi · 01h 21m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 03m
Long day trip
Same-Day Return
10h 08m
Round-trip wheel time
Road vs Air
+71.3 mi
172.4 mi direct line
Halfway Stop
Port Jervis
02h 31m from Islip
Leave By
6:52 AM EDT
Early departure recommended
Weather Watch

Partly Sunny then Slight Chance Rain Showers leaving Islip and Chance Rain Showers then Partly Sunny near Greene.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 243.7 miles (392.2 km) and usually takes 05h 03m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Port Jervis is a useful midpoint, sitting about 121.8 miles from Islip and 122 miles from Greene.

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

The direct path is about 172.4 miles (277.5 km), while the road route adds roughly 71.3 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 6:52 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $34.48 one way or $68.95 round trip. Estimated CO2 is about 76.4 kg one way.

What should you check before leaving?

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

Stop Ideas Near Port Jervis

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

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

RAIL

Croton–Harmon station

71 mi away
1 Croton Point Avenue
RAIL

Poughkeepsie station

73 mi away
41 Main St.
RAIL

Yonkers station

82 mi away
5 Buena Vista Ave.
BUS

Scranton, PA

82 mi away
23 Lackawanna Avenue

Flight Path Map

This map shows the direct air route between Islip and Greene. Straight-line distance: 172.44 mi (277.51 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
Greene

#2 Greene

Village in New York, United States

Population4,955
Coordinates42.3292400, -75.7699100
Altitude280
CountryUnited States
Start: Islip (-73.21039, 40.72982)
End: Greene (-75.76991, 42.32924)

Estimated Travel Time

Distance: 392 km by road

SpeedTime
30 mph (48.3 km/h)08h 07m
40 mph (64.37 km/h)06h 05m
50 mph (80.47 km/h)04h 52m
60 mph (96.56 km/h)04h 03m
70 mph (112.65 km/h)03h 28m
80 mph (129 km/h)03h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.6 gal
32.55 L · about $34.48
Round trip
$68.95
17.2 gal · 65.1 L
Estimated CO2
76.4 kg one way
Round trip: 152.9 kg / 337 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $34.48 $68.95
Mid-grade $4.48 $38.54 $77.07
Premium $4.86 $41.80 $83.61
Diesel $4.69 $40.37 $80.74

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 23, 2026

There is no time difference between Islip and Greene. The current time is 21:21:59.

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.