How far is Islip, NY from Johnstown, NY?

The driving distance from Islip, NY to Johnstown, NY is about 228 miles (366.9 km), with a travel time of about 04h 46m by car.

  • The straight-line flight distance is about 168.2 miles (270.7 km).
  • For a round trip, plan for roughly 09h 33m 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
227.99 mi
04h 46m
Flight
168.21 mi
270.7 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
168.21 mi
Kilometers
270.7 km
Flight Time
00h 20m

Driving Distance

Road route
227.99 mi
Kilometers
366.92 km
Drive Time
04h 46m

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 46m.

Arrival Snapshot
Arrive in Johnstown
Thu, Apr 23, 5:07 AM EDT
Return by in Islip
Thu, Apr 23, 9:54 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Islip
2026-04-23T00:20
Arrive Johnstown
Thu, Apr 23, 5:07 AM EDT
Route Timing
04h 46m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:47 AM to 12:47 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
7:26 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
Clintondale
NY

Census-designated place in Ulster County, New York

From Islip
114 mi
02h 23m
To Johnstown
114 mi
02h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin

Forecast data is not available for this endpoint yet.

Destination
60°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
3 to 10 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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 right to continue on NJ 4 West: Paramus

    970 ft · 24 sec

  35. 35

    Merge slight right

    6.7 mi · 9 min

  36. 36

    Take the exit straight toward GSP South, NJ 17 South, GSP North, NJ 17 North: Grand State Plaza, Newark, Mahwah

    951 ft · 26 sec

  37. 37

    Keep slight right to continue on NJ 17 North: Mahwah

    1302 ft · 37 sec

  38. 38

    Merge slight left

    3.3 mi · 4 min

  39. 39

    Continue straight

    7.3 mi · 10 min

  40. 40

    Continue straight

    1.2 km · 50 sec

  41. 41

    Continue straight

    3.3 mi · 4 min

  42. 42

    Continue straight

    877 ft · 11 sec

  43. 43

    Keep slight left to continue on I 87 North, NY 17 North, New York State Thruway North: Albany

    117.5 mi · 2 hr 16 min

  44. 44

    Keep slight left to continue on New York State Thruway

    25.9 mi · 30 min · New York State Thruway

  45. 45

    Take the exit slight right toward NY 30: Amsterdam

    2042 ft · 54 sec

  46. 46

    Continue straight

    112 m · 13 sec

  47. 47

    Turn right

    88 m · 5 sec

  48. 48

    Turn slight right onto NY 5S

    133 m · 24 sec

  49. 49

    Turn left onto State Highway 5S

    4 mi · 6 min · State Highway 5S

  50. 50

    Keep slight right to continue on Main Street

    1.5 km · 2 min · Main Street

  51. 51

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

    3070 ft · 2 min · Main Street

  52. 52

    At the end of the road, turn right onto Mohawk Drive

    2131 ft · 58 sec · Mohawk Drive

  53. 53

    Turn left onto Stoners Trail Road

    2.7 mi · 4 min · Stoners Trail Road

  54. 54

    Continue on Stoners Trail

    2625 ft · 43 sec · Stoners Trail

  55. 55

    At the end of the road, turn left onto State Highway 67

    1.7 mi · 2 min · State Highway 67

  56. 56

    Continue on East State Street

    3149 ft · 2 min · East State Street

  57. 57

    Turn right onto Union Place

    53 m · 12 sec · Union Place

  58. 58

    Turn left onto East Main Street

    25 m · 2 sec · East Main Street

  59. 59

    Arrive at your destination

    0 m · 1 sec · East Main Street

Car Route Details

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

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
59 steps
14 turns on the saved route
Ramps & Exits
10
4 merges, 6 ramps or exits
Navigation Density
25.9 / 100 mi
Decision points by distance
Main Roads
I 87 North
118 mi · 52%
New York State Thruway
25.9 mi · 11%
Southern State Parkway
24.7 mi · 11%
NJ 17 North
15.1 mi · 7%
NJ 4 West
6.85 mi · 3%
Cross Bronx Expressway
6.64 mi · 3%
Longest Stretch

I 87 North

Keep slight left to continue on I 87 North, NY 17 North, New York State Thruway North: Albany

118 mi · 02h 16m

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 46m
Long day trip
Same-Day Return
09h 34m
Round-trip wheel time
Road vs Air
+59.8 mi
168.2 mi direct line
Halfway Stop
Clintondale
02h 23m from Islip
Leave By
7:26 AM EDT
Early departure recommended
Weather Watch

Mostly Sunny near Johnstown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 228 miles (366.9 km) and usually takes 04h 46m 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?

Clintondale is a useful midpoint, sitting about 114 miles from Islip and 114 miles from Johnstown.

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

The direct path is about 168.2 miles (270.7 km), while the road route adds roughly 59.8 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 7:26 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $32.23 one way or $64.46 round trip. Estimated CO2 is about 71.5 kg one way.

What should you check before leaving?

Before arriving, the latest forecast around Johnstown is Mostly Sunny.

Stop Ideas Near Clintondale

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

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

RAIL

Poughkeepsie station

9 mi away
41 Main St.
RAIL

Rhinecliff–Kingston station

26 mi away
Hutton and Charles Sts.
RAIL

Croton–Harmon station

58 mi away
1 Croton Point Avenue
RAIL

Hudson

65 mi away
69 South Front St.

Flight Path Map

This map shows the direct air route between Islip and Johnstown. Straight-line distance: 168.21 mi (270.7 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
Johnstown

#2 Johnstown

City in the state of New York, USA

Population7,230
Coordinates43.0067400, -74.3676400
Altitude205
CountryUnited States
Start: Islip (-73.21039, 40.72982)
End: Johnstown (-74.36764, 43.00674)

Estimated Travel Time

Distance: 367 km by road

SpeedTime
30 mph (48.3 km/h)07h 35m
40 mph (64.37 km/h)05h 42m
50 mph (80.47 km/h)04h 33m
60 mph (96.56 km/h)03h 47m
70 mph (112.65 km/h)03h 15m
80 mph (129 km/h)02h 50m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.04 gal
30.45 L · about $32.23
Round trip
$64.46
16.08 gal · 60.9 L
Estimated CO2
71.5 kg one way
Round trip: 142.9 kg / 315 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $32.23 $64.46
Mid-grade $4.48 $36.03 $72.05
Premium $4.86 $39.08 $78.16
Diesel $4.69 $37.74 $75.48

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 Johnstown. The current time is 00:20:50.

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.