How far is Triangle, NY from Islip, NY?

The driving distance from Triangle, NY to Islip, NY is about 248.9 miles (400.6 km), with a travel time of about 04h 22m by car.

  • The straight-line flight distance is about 177.3 miles (285.3 km).
  • For a round trip, plan for roughly 08h 45m 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
248.94 mi
04h 22m
Flight
177.3 mi
285.34 km direct

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

Learn Distance

Choose another destination from Triangle.

Flight Distance

Direct air line
177.3 mi
Kilometers
285.34 km
Flight Time
00h 21m

Driving Distance

Road route
248.94 mi
Kilometers
400.63 km
Drive Time
04h 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 04h 22m.

Arrival Snapshot
Arrive in Islip
Wed, Apr 22, 10:25 PM EDT
Return by in Triangle
Thu, Apr 23, 2:48 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Triangle
2026-04-22T18:02
Arrive Islip
Wed, Apr 22, 10:25 PM EDT
Route Timing
04h 22m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:23 AM to 12:23 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
8:14 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Triangle
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 Triangle
123.2 mi
02h 11m
To Islip
125.8 mi
02h 11m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
60°F
Wednesday

Slight Chance Rain Showers then Mostly Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
3 to 7 mph W
Destination
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

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on State Highway 206

    4.4 mi · 7 min · State Highway 206

  2. 2

    Continue on East Main Street

    2670 ft · 54 sec · East Main Street

  3. 3

    Turn left

    580 ft · 10 sec

  4. 4

    Turn right

    1 km · 48 sec

  5. 5

    Take the exit left toward I 81 South

    1654 ft · 40 sec

  6. 6

    Merge slight left

    20.1 mi · 25 min

  7. 7

    Keep slight right to continue on I 81 South: Scranton

    53.4 mi · 1 hr 3 min

  8. 8

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

    1.2 km · 1 min

  9. 9

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

    3.7 mi · 5 min

  10. 10

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

    23.6 mi · 26 min

  11. 11

    Keep slight left to continue on I 80 East: Stroudsburg

    1 mi · 1 min

  12. 12

    Merge slight right onto Keystone Shortway

    80 mi · 1 hr 37 min · Keystone Shortway

  13. 13

    Keep slight right to continue on Christopher Columbus Highway

    5.5 mi · 6 min · Christopher Columbus Highway

  14. 14

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

    1503 ft · 23 sec

  15. 15

    Keep slight right to continue on Leonia, Teaneck

    2128 ft · 38 sec

  16. 16

    Turn right onto Leonia

    1032 ft · 35 sec

  17. 17

    Turn straight onto Degraw Avenue

    138 m · 9 sec · Degraw Avenue

  18. 18

    Continue on Fort Lee Road

    1.1 mi · 2 min · Fort Lee Road

  19. 19

    Continue on Main Street

    143 m · 13 sec · Main Street

  20. 20

    Take the ramp left toward George Washington Bridge

    144 m · 13 sec

  21. 21

    Merge slight left onto Bergen Boulevard

    1552 ft · 29 sec · Bergen Boulevard

  22. 22

    Take the exit slight left toward George Washington Bridge Upper Level

    95 m · 5 sec

  23. 23

    Merge slight left

    1649 ft · 20 sec

  24. 24

    Keep slight left

    1.3 km · 1 min

  25. 25

    Continue on George Washington Bridge (upper level)

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

  26. 26

    Continue on Trans-Manhattan Expressway

    1.2 km · 1 min · Trans-Manhattan Expressway

  27. 27

    Continue on Cross Bronx Expressway

    4.7 mi · 6 min · Cross Bronx Expressway

  28. 28

    Keep slight right to continue on Cross Bronx Expressway

    2 mi · 3 min · Cross Bronx Expressway

  29. 29

    Merge slight left onto Throgs Neck Expressway

    3271 ft · 58 sec · Throgs Neck Expressway

  30. 30

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  31. 31

    Continue on Clearview Expressway

    5 mi · 5 min · Clearview Expressway

  32. 32

    Continue on Hollis Court Boulevard

    1.2 km · 1 min · Hollis Court Boulevard

  33. 33

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

    1117 ft · 35 sec · Jamaica Avenue

  34. 34

    Turn right onto Hempstead Avenue

    1.4 km · 2 min · Hempstead Avenue

  35. 35

    Turn right onto 225th Street

    69 m · 10 sec · 225th Street

  36. 36

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

    1171 ft · 29 sec

  37. 37

    Merge slight left onto Cross Island Parkway

    1.3 mi · 2 min · Cross Island Parkway

  38. 38

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

    2383 ft · 1 min

  39. 39

    Merge slight left onto Southern State Parkway

    24.5 mi · 31 min · Southern State Parkway

  40. 40

    Keep slight left to continue on Southern State Parkway

    1072 ft · 16 sec · Southern State Parkway

  41. 41

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

    1044 ft · 32 sec

  42. 42

    Turn straight onto Bay Shore Road

    2667 ft · 1 min · Bay Shore Road

  43. 43

    Continue on Howells Road

    1845 ft · 44 sec · Howells Road

  44. 44

    Turn straight onto Sunrise Highway

    104 m · 7 sec · Sunrise Highway

  45. 45

    Keep slight right to continue on Howells Road

    3115 ft · 2 min · Howells Road

  46. 46

    Continue on Roosevelt Street

    1248 ft · 25 sec · Roosevelt Street

  47. 47

    Continue on 3rd Avenue

    1 km · 1 min · 3rd Avenue

  48. 48

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

    1.1 mi · 2 min · East Main Street

  49. 49

    Continue on Montauk Highway

    1014 ft · 17 sec · Montauk Highway

  50. 50

    Continue on Main Street

    1.2 km · 1 min · Main Street

  51. 51

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

A richer read on the saved driving route between Triangle 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
51 steps
10 turns on the saved route
Ramps & Exits
13
7 merges, 6 ramps or exits
Navigation Density
20.5 / 100 mi
Decision points by distance
Main Roads
Keystone Shortway
80 mi · 32%
I 81 South
73.8 mi · 30%
Southern State Parkway
24.7 mi · 10%
I 380 South
23.6 mi · 9%
Cross Bronx Expressway
6.64 mi · 3%
Christopher Columbus Highway
5.46 mi · 2%
Longest Stretch

Keystone Shortway

Merge slight right onto Keystone Shortway

80 mi · 01h 37m

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
04h 22m
Long day trip
Same-Day Return
08h 46m
Round-trip wheel time
Road vs Air
+71.6 mi
177.3 mi direct line
Halfway Stop
Port Jervis
02h 11m from Triangle
Leave By
8:14 AM EDT
Early departure recommended
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 248.9 miles (400.6 km) and usually takes 04h 22m 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 123.2 miles from Triangle and 125.8 miles from Islip.

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

The direct path is about 177.3 miles (285.3 km), while the road route adds roughly 71.6 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 8:14 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $35.20 one way or $70.40 round trip. Estimated CO2 is about 78 kg one way.

What should you check before leaving?

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

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 Triangle and Islip. Straight-line distance: 177.3 mi (285.34 km).

Triangle

#1 Triangle

Town in New York, USA

Population2,744
Coordinates42.3398000, -75.8802000
Altitude326
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: State Highway 206 (-75.88022, 42.33984)
End: Main Street (-73.210382, 40.729789)

Estimated Travel Time

Distance: 401 km by road

SpeedTime
30 mph (48.3 km/h)08h 17m
40 mph (64.37 km/h)06h 13m
50 mph (80.47 km/h)04h 58m
60 mph (96.56 km/h)04h 08m
70 mph (112.65 km/h)03h 33m
80 mph (129 km/h)03h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.78 gal
33.25 L · about $35.20
Round trip
$70.40
17.56 gal · 66.5 L
Estimated CO2
78 kg one way
Round trip: 156.1 kg / 344 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $35.20 $70.40
Mid-grade $4.48 $39.34 $78.69
Premium $4.86 $42.68 $85.36
Diesel $4.69 $41.21 $82.43

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 22, 2026

There is no time difference between Triangle and Islip. The current time is 18:02:12.

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.