How far is Greenwood Lake, NY from Islip, NY?

The driving distance from Greenwood Lake, NY to Islip, NY is about 99.5 miles (160.1 km), with a travel time of about 02h 01m by car.

  • The straight-line flight distance is about 66 miles (106.2 km).
  • For a round trip, plan for roughly 04h 02m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
99.48 mi
02h 01m
Flight
66 mi
106.22 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Greenwood Lake.

Flight Distance

Direct air line
66 mi
Kilometers
106.22 km
Flight Time
00h 07m

Driving Distance

Road route
99.48 mi
Kilometers
160.09 km
Drive Time
02h 01m

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 02h 01m.

Arrival Snapshot
Arrive in Islip
Sun, Apr 19, 5:20 AM EDT
Return by in Greenwood Lake
Sun, Apr 19, 7:21 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Greenwood Lake
2026-04-19T03:19
Arrive Islip
Sun, Apr 19, 5:20 AM EDT
Route Timing
02h 01m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:01 AM to 12:01 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:28 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Greenwood Lake
9:30 PM EDT
Morning start is best

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
The Bronx
NY

The fourth most populous borough of New York City.

From Greenwood Lake
44.7 mi
01h 00m
To Islip
54.8 mi
01h 00m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
60°F
Sunday

Showers And Thunderstorms Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
6 to 12 mph SW
Destination
59°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
7 to 13 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Greenwood Lake and Islip.

  1. 1

    Start on Jersey Avenue

    3.5 mi · 6 min · Jersey Avenue

  2. 2

    Continue on Lakeside Road

    2.6 mi · 5 min · Lakeside Road

  3. 3

    Turn left onto Greenwood Lake Turnpike

    8.1 mi · 12 min · Greenwood Lake Turnpike

  4. 4

    Turn left onto Skyline Drive

    5.1 mi · 8 min · Skyline Drive

  5. 5

    Turn left onto West Oakland Avenue

    2892 ft · 1 min · West Oakland Avenue

  6. 6

    Take the ramp left toward I 287 North, NJ 208 South

    1320 ft · 32 sec

  7. 7

    Merge slight left

    1.4 km · 58 sec

  8. 8

    Keep slight right to continue on NJ 208 South: Franklin Lakes

    5.5 mi · 6 min

  9. 9

    Turn straight

    1.5 mi · 2 min

  10. 10

    Continue straight

    1.5 km · 1 min

  11. 11

    Continue straight

    3206 ft · 41 sec

  12. 12

    Continue straight

    1.5 mi · 2 min

  13. 13

    Continue straight

    2976 ft · 50 sec

  14. 14

    Continue straight

    1 mi · 2 min

  15. 15

    Continue straight

    6.4 mi · 9 min

  16. 16

    Take the exit slight left toward I 95 North: George Washington Bridge

    1124 ft · 18 sec

  17. 17

    Merge slight left

    1.2 km · 55 sec

  18. 18

    Keep slight left

    1.3 km · 1 min

  19. 19

    Continue on George Washington Bridge (upper level)

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

  20. 20

    Continue on Trans-Manhattan Expressway

    1.2 km · 1 min · Trans-Manhattan Expressway

  21. 21

    Continue on Cross Bronx Expressway

    4.7 mi · 6 min · Cross Bronx Expressway

  22. 22

    Keep slight right to continue on Cross Bronx Expressway

    2 mi · 3 min · Cross Bronx Expressway

  23. 23

    Merge slight left onto Throgs Neck Expressway

    3271 ft · 58 sec · Throgs Neck Expressway

  24. 24

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  25. 25

    Continue on Clearview Expressway

    5 mi · 5 min · Clearview Expressway

  26. 26

    Continue on Hollis Court Boulevard

    1.2 km · 1 min · Hollis Court Boulevard

  27. 27

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

    1117 ft · 35 sec · Jamaica Avenue

  28. 28

    Turn right onto Hempstead Avenue

    1.4 km · 2 min · Hempstead Avenue

  29. 29

    Turn right onto 225th Street

    69 m · 10 sec · 225th Street

  30. 30

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

    1171 ft · 29 sec

  31. 31

    Merge slight left onto Cross Island Parkway

    1.3 mi · 2 min · Cross Island Parkway

  32. 32

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

    2383 ft · 1 min

  33. 33

    Merge slight left onto Southern State Parkway

    24.5 mi · 31 min · Southern State Parkway

  34. 34

    Keep slight left to continue on Southern State Parkway

    1072 ft · 16 sec · Southern State Parkway

  35. 35

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

    1044 ft · 30 sec

  36. 36

    Turn straight onto Bay Shore Road

    2667 ft · 1 min · Bay Shore Road

  37. 37

    Continue on Howells Road

    1845 ft · 46 sec · Howells Road

  38. 38

    Turn straight onto Sunrise Highway

    104 m · 7 sec · Sunrise Highway

  39. 39

    Keep slight right to continue on Howells Road

    3115 ft · 2 min · Howells Road

  40. 40

    Continue on Roosevelt Street

    1248 ft · 25 sec · Roosevelt Street

  41. 41

    Continue on 3rd Avenue

    1 km · 1 min · 3rd Avenue

  42. 42

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

    1.1 mi · 2 min · East Main Street

  43. 43

    Continue on Montauk Highway

    1014 ft · 17 sec · Montauk Highway

  44. 44

    Continue on Main Street

    1.2 km · 1 min · Main Street

  45. 45

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
45 steps
10 turns on the saved route
Ramps & Exits
10
5 merges, 5 ramps or exits
Navigation Density
45.2 / 100 mi
Decision points by distance
Main Roads
Southern State Parkway
24.7 mi · 25%
NJ 208 South
16.5 mi · 17%
Greenwood Lake Turnpike
8.1 mi · 8%
Cross Bronx Expressway
6.64 mi · 7%
Skyline Drive
5.11 mi · 5%
Clearview Expressway
5.02 mi · 5%
Longest Stretch

Southern State Parkway

Merge slight left onto Southern State Parkway

24.5 mi · 00h 31m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 01m
Day trip friendly
Same-Day Return
04h 02m
Round-trip wheel time
Road vs Air
+33.5 mi
66 mi direct line
Halfway Stop
The Bronx
01h 00m from Greenwood Lake
Leave By
2:28 PM EDT
Morning start is best
Weather Watch

Showers And Thunderstorms Likely leaving Greenwood Lake and Rain Showers Likely near Islip.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Greenwood Lake to Islip?

The road trip is about 99.5 miles (160.1 km) and usually takes 02h 01m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

The Bronx is a useful midpoint, sitting about 44.7 miles from Greenwood Lake and 54.8 miles from Islip.

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

The direct path is about 66 miles (106.2 km), while the road route adds roughly 33.5 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:28 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $14.07 one way or $28.14 round trip. Estimated CO2 is about 31.2 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Greenwood Lake and Rain Showers Likely near Islip.

Stop Ideas Near The Bronx

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around The Bronx and the surrounding midpoint area.
Radio City Music Hall
Scenic stop 7.5 mi away

Radio City Music Hall

New York , NY
1260 6th Ave, New York, NY 10020, United States
Rating 4.7/5 17,642 reviews Tourist attraction,Concert hall,Live music venue,Performing arts theater
The Yard: City Hall Park NYC
Practical stop 11 mi away

The Yard: City Hall Park NYC

New York , NY
116 Nassau St, New York, NY 10038
Rating 4.8/5 45 reviews Office space rental agency,Business to business service,Conference center,Coworking space,Event venue,Executive suite rental agency,Virtual office rental
CITY HALL LOBBY
Meeting point 10.5 mi away

CITY HALL LOBBY

Hoboken , NJ
94 Washington St, Hoboken, NJ 07030
Rating 4.8/5 8 reviews City Hall
Diamond City Hall Photography
Nearby stop 10.6 mi away

Diamond City Hall Photography

New York , NY
141 Worth St, New York, NY 10013
Rating 5.0/5 53 reviews Wedding photographer

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to The Bronx.

RAIL

Yonkers station

10 mi away
5 Buena Vista Ave.
RAIL

New Rochelle station

10 mi away
1 Railroad Plaza
RAIL

Pennsylvania Station

15 mi away
8th Ave 31st Street / 8th Ave 33rd Street
RAIL

Pennsylvania Station

28 mi away
1 Raymond Plaza West

Flight Path Map

This map shows the direct air route between Greenwood Lake and Islip. Straight-line distance: 66 mi (106.22 km).

Greenwood Lake

#1 Greenwood Lake

Village in New York, United States

Population3,054
Coordinates41.2225900, -74.2943200
Altitude192
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: Jersey Avenue (-74.294367, 41.22253)
End: Main Street (-73.210382, 40.729789)

Estimated Travel Time

Distance: 160 km by road

SpeedTime
30 mph (48.3 km/h)03h 18m
40 mph (64.37 km/h)02h 29m
50 mph (80.47 km/h)01h 59m
60 mph (96.56 km/h)01h 39m
70 mph (112.65 km/h)01h 25m
80 mph (129 km/h)01h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.51 gal
13.29 L · about $14.07
Round trip
$28.14
7.02 gal · 26.58 L
Estimated CO2
31.2 kg one way
Round trip: 62.4 kg / 138 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $14.07 $28.14
Mid-grade $4.48 $15.73 $31.46
Premium $4.86 $17.06 $34.12
Diesel $4.69 $16.48 $32.95

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 19, 2026

There is no time difference between Greenwood Lake and Islip. The current time is 03:19:47.

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.