How far is Dover Plains, NY from Islip, NY?

The driving distance from Dover Plains, NY to Islip, NY is about 112.7 miles (181.4 km), with a travel time of about 02h 37m by car.

  • The straight-line flight distance is about 72.5 miles (116.6 km).
  • For a round trip, plan for roughly 05h 14m 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
112.7 mi
02h 37m
Flight
72.42 mi
116.55 km direct

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

Learn Distance

Choose another destination from Dover Plains.

Flight Distance

Direct air line
72.42 mi
Kilometers
116.55 km
Flight Time
00h 08m

Driving Distance

Road route
112.7 mi
Kilometers
181.38 km
Drive Time
02h 37m

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 37m.

Arrival Snapshot
Arrive in Islip
Thu, Apr 16, 2:28 PM EDT
Return by in Dover Plains
Thu, Apr 16, 5:05 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dover Plains
2026-04-16T11:51
Arrive Islip
Thu, Apr 16, 2:28 PM EDT
Route Timing
02h 37m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:37 AM to 12:37 PM EDT

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

Leave by
1:16 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dover Plains
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
Harrison
NY

Community (coterminous town-village) in Westchester County, New York

From Dover Plains
56.4 mi
01h 18m
To Islip
56.4 mi
01h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
87°F
Today

Partly Sunny

Starts
Thu, Apr 16 8:00 AM EDT
Wind
5 to 13 mph SW
Destination
76°F
Thursday

Partly Sunny

Starts
Thu, Apr 16 6:00 AM EDT
Wind
5 to 10 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Dover Plains and Islip.

  1. 1

    Start on Market Street

    26 m · 5 sec · Market Street

  2. 2

    Turn right onto Mill Street

    1185 ft · 40 sec · Mill Street

  3. 3

    At the end of the road, turn left onto State Highway 22

    25.6 mi · 39 min · State Highway 22

  4. 4

    Continue straight

    27.4 mi · 32 min

  5. 5

    Keep slight left to continue on Hutchinson River Parkway, New York City

    1.5 mi · 2 min

  6. 6

    Merge slight right onto Hutchinson River Parkway

    7.7 mi · 11 min · Hutchinson River Parkway

  7. 7

    Keep slight right to continue on Hutchinson River Parkway

    5.9 mi · 9 min · Hutchinson River Parkway

  8. 8

    Take the exit slight right toward I 95 South: George Washington Bridge, Stillwell Avenue

    43 m · 5 sec

  9. 9

    Keep slight right to continue on I 95 South: George Washington Bridge

    1265 ft · 47 sec

  10. 10

    Merge slight left onto New England Thruway

    1861 ft · 32 sec · New England Thruway

  11. 11

    Continue on Bruckner Expressway

    1.3 mi · 2 min · Bruckner Expressway

  12. 12

    Keep slight left to continue on Throgs Neck Expressway

    2.2 mi · 3 min · Throgs Neck Expressway

  13. 13

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  14. 14

    Continue on Clearview Expressway

    5 mi · 5 min · Clearview Expressway

  15. 15

    Continue on Hollis Court Boulevard

    1.2 km · 1 min · Hollis Court Boulevard

  16. 16

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

    1117 ft · 35 sec · Jamaica Avenue

  17. 17

    Turn right onto Hempstead Avenue

    1.4 km · 2 min · Hempstead Avenue

  18. 18

    Turn right onto 225th Street

    69 m · 10 sec · 225th Street

  19. 19

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

    1171 ft · 29 sec

  20. 20

    Merge slight left onto Cross Island Parkway

    1.3 mi · 2 min · Cross Island Parkway

  21. 21

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

    2383 ft · 1 min

  22. 22

    Merge slight left onto Southern State Parkway

    24.5 mi · 31 min · Southern State Parkway

  23. 23

    Keep slight left to continue on Southern State Parkway

    1072 ft · 16 sec · Southern State Parkway

  24. 24

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

    1044 ft · 32 sec

  25. 25

    Turn straight onto Bay Shore Road

    2667 ft · 1 min · Bay Shore Road

  26. 26

    Continue on Howells Road

    1845 ft · 44 sec · Howells Road

  27. 27

    Turn straight onto Sunrise Highway

    104 m · 7 sec · Sunrise Highway

  28. 28

    Keep slight right to continue on Howells Road

    3115 ft · 2 min · Howells Road

  29. 29

    Continue on Roosevelt Street

    1248 ft · 25 sec · Roosevelt Street

  30. 30

    Continue on 3rd Avenue

    1 km · 1 min · 3rd Avenue

  31. 31

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

    1.1 mi · 2 min · East Main Street

  32. 32

    Continue on Montauk Highway

    1014 ft · 17 sec · Montauk Highway

  33. 33

    Continue on Main Street

    1.2 km · 1 min · Main Street

  34. 34

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

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

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
34 steps
8 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
30.2 / 100 mi
Decision points by distance
Main Roads
State Highway 22
53.1 mi · 47%
Southern State Parkway
24.7 mi · 22%
Hutchinson River Parkway
15.1 mi · 13%
Clearview Expressway
5.02 mi · 4%
Throgs Neck Expressway
2.17 mi · 2%
Throgs Neck Bridge
2 mi · 2%
Longest Stretch

State Highway 22

Continue straight

27.4 mi · 00h 32m

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 37m
Day trip friendly
Same-Day Return
05h 14m
Round-trip wheel time
Road vs Air
+40.2 mi
72.5 mi direct line
Halfway Stop
Harrison
01h 18m from Dover Plains
Leave By
1:16 PM EDT
Morning start is best
Weather Watch

Partly Sunny leaving Dover Plains 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 Dover Plains to Islip?

The road trip is about 112.7 miles (181.4 km) and usually takes 02h 37m 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?

Harrison is a useful midpoint, sitting about 56.4 miles from Dover Plains and 56.4 miles from Islip.

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

The direct path is about 72.5 miles (116.6 km), while the road route adds roughly 40.2 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 1:16 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $15.96 one way or $31.91 round trip. Estimated CO2 is about 35.4 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Dover Plains and Partly Sunny near Islip.

Stop Ideas Near Harrison

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 Harrison and the surrounding midpoint area.
Old Town Hall
Scenic stop 5.8 mi away

Old Town Hall

Greenwich , CT
Greenwich Ave, Greenwich, CT 06830
Rating 3.9/5 10 reviews Tourist attraction,Historical landmark
Mount Vernon City Hall
Meeting point 8.1 mi away

Mount Vernon City Hall

Harrison
1 Roosevelt Square N, Mt Vernon, NY 10550
Rating 3.7/5 48 reviews City Hall
City Hall Wedding photographer
Nearby stop 11.3 mi away

City Hall Wedding photographer

Harrison
3222 Bronx Blvd #7, Bronx, NY 10467
Rating 5.0/5 21 reviews Wedding photographer

Transit and Meeting Points

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

RAIL

New Rochelle station

8 mi away
1 Railroad Plaza
RAIL

Yonkers station

16 mi away
5 Buena Vista Ave.
RAIL

Stamford Transportation Center

17 mi away
Washington Blvd and South State St.
RAIL

Croton–Harmon station

29 mi away
1 Croton Point Avenue

Flight Path Map

This map shows the direct air route between Dover Plains and Islip. Straight-line distance: 72.42 mi (116.55 km).

Dover Plains

#1 Dover Plains

Census-designated place in New York

Population1,323
Coordinates41.7412100, -73.5765200
Altitude122
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: Dover Plains (-73.57652, 41.74121)
End: Islip (-73.21039, 40.72982)

Estimated Travel Time

Distance: 181 km by road

SpeedTime
30 mph (48.3 km/h)03h 45m
40 mph (64.37 km/h)02h 49m
50 mph (80.47 km/h)02h 15m
60 mph (96.56 km/h)01h 52m
70 mph (112.65 km/h)01h 36m
80 mph (129 km/h)01h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.98 gal
15.05 L · about $15.96
Round trip
$31.91
7.96 gal · 30.1 L
Estimated CO2
35.4 kg one way
Round trip: 70.7 kg / 156 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $15.96 $31.91
Mid-grade $4.48 $17.83 $35.67
Premium $4.86 $19.35 $38.69
Diesel $4.69 $18.68 $37.36

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 16, 2026

There is no time difference between Dover Plains and Islip. The current time is 11:51:07.

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.