How far is Islip, NY from Clymer, NY?

The driving distance from Islip, NY to Clymer, NY is about 426.1 miles (685.7 km), with a travel time of about 09h 08m by car.

  • The straight-line flight distance is about 344.5 miles (554.4 km).
  • For a round trip, plan for roughly 18h 17m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
426.1 mi
09h 08m
Flight
344.49 mi
554.41 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
344.49 mi
Kilometers
554.41 km
Flight Time
00h 41m

Driving Distance

Road route
426.1 mi
Kilometers
685.74 km
Drive Time
09h 08m

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 09h 08m.

Arrival Snapshot
Arrive in Clymer
Thu, Apr 23, 6:51 PM EDT
Return by in Islip
Fri, Apr 24, 4:00 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Islip
2026-04-23T09:43
Arrive Clymer
Thu, Apr 23, 6:51 PM EDT
Route Timing
09h 08m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
3:09 PM to 4:39 PM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
5:42 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Islip
8:00 PM EDT
Overnight-style route

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
Chemung
NY

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

From Islip
212.8 mi
04h 34m
To Clymer
213.4 mi
04h 34m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Islip Weather
NY
Live fallback forecast
58°F
Thursday
Using Central Islip as the closest live forecast in the Suffolk County weather hub.

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
6 to 9 mph NW
Destination
69°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
5 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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 left to continue on I 95 South, NJTP South: Hackensack

    1884 ft · 29 sec

  35. 35

    Merge slight left onto New Jersey Turnpike

    2 mi · 3 min · New Jersey Turnpike

  36. 36

    Take the exit slight right toward I 80 West: Paterson, Hackensack

    1.3 km · 1 min

  37. 37

    Continue on Christopher Columbus Highway

    68.2 mi · 1 hr 21 min · Christopher Columbus Highway

  38. 38

    Keep slight left to continue on Keystone Shortway

    5.5 mi · 8 min · Keystone Shortway

  39. 39

    Keep slight left to continue on Keystone Shortway

    194.5 mi · 3 hr 36 min · Keystone Shortway

  40. 40

    Take the exit slight right toward PA 153: Clearfield, Penfield

    2880 ft · 1 min

  41. 41

    Keep slight right

    1315 ft · 32 sec

  42. 42

    Turn straight onto State Park Road

    7.5 mi · 13 min · State Park Road

  43. 43

    Continue on Hoovertown Road

    5 mi · 9 min · Hoovertown Road

  44. 44

    Continue on Penfield Road

    3.7 mi · 6 min · Penfield Road

  45. 45

    At the end of the road, turn right

    12.3 mi · 19 min

  46. 46

    Turn right onto Montmorenci Avenue

    1.6 km · 2 min · Montmorenci Avenue

  47. 47

    Continue on Montmorenci Road

    8.8 mi · 13 min · Montmorenci Road

  48. 48

    Continue on Highland Road

    5.4 mi · 8 min · Highland Road

  49. 49

    At the end of the road, turn left onto Kane-Russell City Road

    2.7 mi · 4 min · Kane-Russell City Road

  50. 50

    Take the exit slight right

    8.6 mi · 12 min

  51. 51

    Continue straight

    2.3 mi · 5 min

  52. 52

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

    1.2 mi · 2 min · West Main Street

  53. 53

    Continue on Grand Army of the Republic Highway

    4.5 mi · 6 min · Grand Army of the Republic Highway

  54. 54

    Continue on South Main Street

    1.4 mi · 3 min · South Main Street

  55. 55

    Continue on Grand Army of the Republic Highway

    2.9 mi · 5 min · Grand Army of the Republic Highway

  56. 56

    Continue on Main Street

    1169 ft · 35 sec · Main Street

  57. 57

    Continue on Crescent Park

    1.8 mi · 4 min · Crescent Park

  58. 58

    Continue on Warren Bypass

    8.6 mi · 13 min · Warren Bypass

  59. 59

    Continue on Youngsville Bypass

    1.4 mi · 2 min · Youngsville Bypass

  60. 60

    Continue on Grand Army of the Republic Highway

    15.6 mi · 22 min · Grand Army of the Republic Highway

  61. 61

    Continue on Route 6

    1.8 mi · 3 min · Route 6

  62. 62

    Turn right onto Jackson Lane

    80 m · 16 sec · Jackson Lane

  63. 63

    Turn left onto South Street

    121 m · 18 sec · South Street

  64. 64

    Turn straight onto Pike Road

    68 m · 11 sec · Pike Road

  65. 65

    Turn sharp right onto Market Street

    1916 ft · 47 sec · Market Street

  66. 66

    Continue on Plank Road

    5.3 mi · 11 min · Plank Road

  67. 67

    Turn straight onto Clymer-Corry Road

    1.1 mi · 3 min · Clymer-Corry Road

  68. 68

    Arrive at your destination

    0 m · 1 sec · Clymer-Sherman Road

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
68 steps
16 turns on the saved route
Ramps & Exits
10
3 merges, 7 ramps or exits
Navigation Density
16 / 100 mi
Decision points by distance
Main Roads
Keystone Shortway
200 mi · 47%
Christopher Columbus Highway
68.2 mi · 16%
Southern State Parkway
24.7 mi · 6%
Grand Army of the Republic Highway
23 mi · 5%
Kane-Russell City Road
13.7 mi · 3%
Montmorenci Road
8.83 mi · 2%
Longest Stretch

Keystone Shortway

Keep slight left to continue on Keystone Shortway

195 mi · 03h 36m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
09h 08m
Overnight route
Same-Day Return
18h 18m
Round-trip wheel time
Road vs Air
+81.6 mi
344.5 mi direct line
Halfway Stop
Chemung
04h 34m from Islip
Leave By
5:42 PM EDT
Overnight-style route
Weather Watch

Mostly Sunny leaving Islip and Sunny near Clymer.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 426.1 miles (685.7 km) and usually takes 09h 08m in normal driving conditions.

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

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Chemung is a useful midpoint, sitting about 212.8 miles from Islip and 213.4 miles from Clymer.

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

The direct path is about 344.5 miles (554.4 km), while the road route adds roughly 81.6 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $60.30 one way or $120.59 round trip. Estimated CO2 is about 133.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Islip and Sunny near Clymer.

Stop Ideas Near Chemung

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

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

BUS

Scranton, PA

103 mi away
23 Lackawanna Avenue
BUS

Wilkes-Barre, PA

105 mi away
47 South Washington Street

Flight Path Map

This map shows the direct air route between Islip and Clymer. Straight-line distance: 344.49 mi (554.41 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
Clymer

#2 Clymer

Human settlement in United States of America

Population1,665
Coordinates42.0208900, -79.6300500
Altitude444
CountryUnited States
Start: Islip (-73.21039, 40.72982)
End: Clymer (-79.63005, 42.02089)

Estimated Travel Time

Distance: 686 km by road

SpeedTime
30 mph (48.3 km/h)14h 11m
40 mph (64.37 km/h)10h 39m
50 mph (80.47 km/h)08h 31m
60 mph (96.56 km/h)07h 06m
70 mph (112.65 km/h)06h 05m
80 mph (129 km/h)05h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.04 gal
56.92 L · about $60.30
Round trip
$120.59
30.08 gal · 113.84 L
Estimated CO2
133.7 kg one way
Round trip: 267.3 kg / 589 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $60.30 $120.59
Mid-grade $4.48 $67.39 $134.79
Premium $4.86 $73.11 $146.22
Diesel $4.69 $70.60 $141.20

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 Clymer. The current time is 09:43:12.

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.