How far is Masonville, NY from Islip, NY?

The driving distance from Masonville, NY to Islip, NY is about 202.6 miles (326 km), with a travel time of about 03h 50m by car.

  • The straight-line flight distance is about 153.3 miles (246.7 km).
  • For a round trip, plan for roughly 07h 40m 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
202.55 mi
03h 50m
Flight
153.28 mi
246.68 km direct

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

Learn Distance

Choose another destination from Masonville.

Flight Distance

Direct air line
153.28 mi
Kilometers
246.68 km
Flight Time
00h 18m

Driving Distance

Road route
202.55 mi
Kilometers
325.97 km
Drive Time
03h 50m

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 03h 50m.

Arrival Snapshot
Arrive in Islip
Sun, Apr 19, 1:40 PM EDT
Return by in Masonville
Sun, Apr 19, 5:30 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Masonville
2026-04-19T09:50
Arrive Islip
Sun, Apr 19, 1:40 PM EDT
Route Timing
03h 50m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:50 AM to 11:50 AM EDT

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

Leave by
9:20 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Masonville
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
Scotchtown
NY

Census-designated place in Orange County, New York

From Masonville
104.5 mi
01h 55m
To Islip
98.1 mi
01h 55m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
51°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
12 mph W
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 Masonville and Islip.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on State Highway 8

    14.7 mi · 17 min · State Highway 8

  2. 2

    Continue on Oak Street

    1409 ft · 18 sec · Oak Street

  3. 3

    Continue on State Highway 10

    2251 ft · 45 sec · State Highway 10

  4. 4

    Take the exit left toward NY 17 East

    1287 ft · 27 sec

  5. 5

    Merge slight left

    105.1 mi · 2 hr 11 min

  6. 6

    Keep slight left to continue on I 87, NYST: Albany, New York City

    1.1 km · 60 sec

  7. 7

    Keep slight right to continue on I 87 Toll South: New York City

    1.5 km · 2 min

  8. 8

    Merge slight left onto New York State Thruway

    13.7 mi · 16 min · New York State Thruway

  9. 9

    Keep slight right to continue on I 287 South, NJ 17 South: New Jersey

    1.5 km · 60 sec

  10. 10

    Continue straight

    2496 ft · 39 sec

  11. 11

    Keep slight left to continue on NJ 17 South: Mahwah

    14.1 mi · 19 min

  12. 12

    Take the exit slight right toward NJ 4, GSP South: Paterson, Fort Lee, New York

    566 ft · 19 sec

  13. 13

    Keep slight left to continue on NJ 4 East: Fort Lee, New York

    2455 ft · 1 min

  14. 14

    Merge slight left

    1417 ft · 24 sec

  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 · 32 sec

  36. 36

    Turn straight onto Bay Shore Road

    2667 ft · 1 min · Bay Shore Road

  37. 37

    Continue on Howells Road

    1845 ft · 44 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 Masonville and Islip.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
45 steps
6 turns on the saved route
Ramps & Exits
13
7 merges, 6 ramps or exits
Navigation Density
22.2 / 100 mi
Decision points by distance
Main Roads
NY 17 East
105 mi · 52%
Southern State Parkway
24.7 mi · 12%
State Highway 8
14.7 mi · 7%
NJ 17 South
14.1 mi · 7%
New York State Thruway
13.7 mi · 7%
NJ 4 East
7.12 mi · 4%
Longest Stretch

NY 17 East

Merge slight left

105 mi · 02h 11m

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
03h 50m
Long day trip
Same-Day Return
07h 40m
Round-trip wheel time
Road vs Air
+49.3 mi
153.3 mi direct line
Halfway Stop
Scotchtown
01h 55m from Masonville
Leave By
9:20 AM EDT
Early departure recommended
Weather Watch

Rain Showers Likely leaving Masonville 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 Masonville to Islip?

The road trip is about 202.6 miles (326 km) and usually takes 03h 50m 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?

Scotchtown is a useful midpoint, sitting about 104.5 miles from Masonville and 98.1 miles from Islip.

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

The direct path is about 153.3 miles (246.7 km), while the road route adds roughly 49.3 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 9:20 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $28.66 one way or $57.33 round trip. Estimated CO2 is about 63.5 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Masonville and Rain Showers Likely near Islip.

Stop Ideas Near Scotchtown

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

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

RAIL

Poughkeepsie station

43 mi away
41 Main St.
RAIL

Croton–Harmon station

51 mi away
1 Croton Point Avenue
RAIL

Rhinecliff–Kingston station

59 mi away
Hutton and Charles Sts.
RAIL

Yonkers station

72 mi away
5 Buena Vista Ave.

Flight Path Map

This map shows the direct air route between Masonville and Islip. Straight-line distance: 153.28 mi (246.68 km).

Photo coming soon

#1 Masonville

Human settlement in Delaware County, New York, United States of America

Population1,229
Coordinates42.2420300, -75.3774000
Altitude394
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 8 (-75.377451, 42.242011)
End: Main Street (-73.210382, 40.729789)

Estimated Travel Time

Distance: 326 km by road

SpeedTime
30 mph (48.3 km/h)06h 44m
40 mph (64.37 km/h)05h 03m
50 mph (80.47 km/h)04h 03m
60 mph (96.56 km/h)03h 22m
70 mph (112.65 km/h)02h 53m
80 mph (129 km/h)02h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.15 gal
27.06 L · about $28.66
Round trip
$57.33
14.3 gal · 54.12 L
Estimated CO2
63.5 kg one way
Round trip: 127.1 kg / 280 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $28.66 $57.33
Mid-grade $4.48 $32.04 $64.08
Premium $4.86 $34.76 $69.51
Diesel $4.69 $33.56 $67.12

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 Masonville and Islip. The current time is 09:50:20.

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.