How far is Clayton, NY from Islip, NY?

The driving distance from Clayton, NY to Islip, NY is about 389.5 miles (626.8 km), with a travel time of about 06h 36m by car.

  • The straight-line flight distance is about 283.3 miles (455.9 km).
  • For a round trip, plan for roughly 13h 13m 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
389.44 mi
06h 36m
Flight
283.27 mi
455.88 km direct

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

Learn Distance

Choose another destination from Clayton.

Flight Distance

Direct air line
283.27 mi
Kilometers
455.88 km
Flight Time
00h 34m

Driving Distance

Road route
389.44 mi
Kilometers
626.75 km
Drive Time
06h 36m

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 06h 36m.

Arrival Snapshot
Arrive in Islip
Thu, May 14, 7:18 AM EDT
Return by in Clayton
Thu, May 14, 1:54 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Clayton
2026-05-14T00:41
Arrive Islip
Thu, May 14, 7:18 AM EDT
Route Timing
06h 36m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
12:37 PM to 2:07 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
10:46 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Clayton
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
Westmere
NY

Human settlement in New York, United States of America

From Clayton
189.6 mi
03h 18m
To Islip
199.8 mi
03h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Thursday

Chance Rain Showers

Starts
Thu, May 14 6:00 AM EDT
Wind
5 to 8 mph W
Destination
Islip Weather
NY
Live fallback forecast
61°F
Thursday
Using Central Islip as the closest live forecast in the Suffolk County weather hub.

Showers And Thunderstorms Likely

Starts
Thu, May 14 6:00 AM EDT
Wind
8 to 15 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Park Circle

    10 m · 3 sec · Park Circle

  2. 2

    Turn right onto Mary Street

    67 m · 15 sec · Mary Street

  3. 3

    Turn left onto James Street

    1.2 mi · 2 min · James Street

  4. 4

    Continue on State Highway 12

    6.4 mi · 10 min · State Highway 12

  5. 5

    Continue on Amelia Street

    13.5 mi · 21 min · Amelia Street

  6. 6

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

    1 km · 1 min · West Main Street

  7. 7

    Turn right onto Mill Street

    1861 ft · 34 sec · Mill Street

  8. 8

    Continue on Public Square

    96 m · 8 sec · Public Square

  9. 9

    Continue on State Street

    1.7 mi · 4 min · State Street

  10. 10

    Turn right onto Gifford Street

    2.4 mi · 3 min · Gifford Street

  11. 11

    Continue on Van Allen Road

    8.4 mi · 10 min · Van Allen Road

  12. 12

    Continue on State Highway 12

    1.4 mi · 2 min · State Highway 12

  13. 13

    Continue on Main Street

    3048 ft · 41 sec · Main Street

  14. 14

    Continue on High Street

    2991 ft · 39 sec · High Street

  15. 15

    Continue on County Road 14

    1772 ft · 23 sec · County Road 14

  16. 16

    Continue on State Highway 12

    10.9 mi · 13 min · State Highway 12

  17. 17

    Continue on Dayan Street

    2636 ft · 1 min · Dayan Street

  18. 18

    Turn right onto South State Street

    3100 ft · 2 min · South State Street

  19. 19

    Continue on Utica Boulevard

    2768 ft · 1 min · Utica Boulevard

  20. 20

    Continue on Bea Luck Road

    19.8 mi · 23 min · Bea Luck Road

  21. 21

    Continue on State Highway 12

    1.2 km · 52 sec · State Highway 12

  22. 22

    Continue on Erwin Parkway

    9.7 mi · 11 min · Erwin Parkway

  23. 23

    Continue on State Highway 12

    22 mi · 31 min · State Highway 12

  24. 24

    Take the exit slight right

    1572 ft · 38 sec

  25. 25

    Merge slight left onto State Route 49

    2039 ft · 27 sec · State Route 49

  26. 26

    Continue straight

    998 ft · 13 sec

  27. 27

    Take the exit slight right toward Genesee Street South

    840 ft · 18 sec

  28. 28

    Keep slight left to continue on I 90

    1.2 km · 2 min

  29. 29

    Keep slight right to continue on I 90 East

    1766 ft · 43 sec

  30. 30

    Merge slight left onto New York State Thruway

    83.7 mi · 1 hr 37 min · New York State Thruway

  31. 31

    Keep slight right to continue on New York State Thruway

    118.2 mi · 2 hr 16 min · New York State Thruway

  32. 32

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

    1.5 km · 60 sec

  33. 33

    Continue straight

    2496 ft · 39 sec

  34. 34

    Keep slight left to continue on NJ 17 South: Mahwah

    14.1 mi · 19 min

  35. 35

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

    566 ft · 19 sec

  36. 36

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

    2455 ft · 1 min

  37. 37

    Merge slight left

    1417 ft · 24 sec

  38. 38

    Continue straight

    6.4 mi · 9 min

  39. 39

    Take the exit slight left toward I 95 North: George Washington Bridge

    1124 ft · 18 sec

  40. 40

    Merge slight left

    1.2 km · 55 sec

  41. 41

    Keep slight left

    1.3 km · 1 min

  42. 42

    Continue on George Washington Bridge (upper level)

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

  43. 43

    Continue on Trans-Manhattan Expressway

    1.2 km · 1 min · Trans-Manhattan Expressway

  44. 44

    Continue on Cross Bronx Expressway

    4.7 mi · 6 min · Cross Bronx Expressway

  45. 45

    Keep slight right to continue on Cross Bronx Expressway

    2 mi · 3 min · Cross Bronx Expressway

  46. 46

    Merge slight left onto Throgs Neck Expressway

    3271 ft · 58 sec · Throgs Neck Expressway

  47. 47

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  48. 48

    Continue on Clearview Expressway

    5 mi · 5 min · Clearview Expressway

  49. 49

    Continue on Hollis Court Boulevard

    1.2 km · 1 min · Hollis Court Boulevard

  50. 50

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

    1117 ft · 35 sec · Jamaica Avenue

  51. 51

    Turn right onto Hempstead Avenue

    1.4 km · 2 min · Hempstead Avenue

  52. 52

    Turn right onto 225th Street

    69 m · 10 sec · 225th Street

  53. 53

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

    1171 ft · 29 sec

  54. 54

    Merge slight left onto Cross Island Parkway

    1.3 mi · 2 min · Cross Island Parkway

  55. 55

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

    2383 ft · 1 min

  56. 56

    Merge slight left onto Southern State Parkway

    24.5 mi · 31 min · Southern State Parkway

  57. 57

    Keep slight left to continue on Southern State Parkway

    1072 ft · 16 sec · Southern State Parkway

  58. 58

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

    1044 ft · 30 sec

  59. 59

    Turn straight onto Bay Shore Road

    2667 ft · 1 min · Bay Shore Road

  60. 60

    Continue on Howells Road

    1845 ft · 46 sec · Howells Road

  61. 61

    Turn straight onto Sunrise Highway

    104 m · 7 sec · Sunrise Highway

  62. 62

    Keep slight right to continue on Howells Road

    3115 ft · 2 min · Howells Road

  63. 63

    Continue on Roosevelt Street

    1248 ft · 25 sec · Roosevelt Street

  64. 64

    Continue on 3rd Avenue

    1 km · 1 min · 3rd Avenue

  65. 65

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

    1.1 mi · 2 min · East Main Street

  66. 66

    Continue on Montauk Highway

    1014 ft · 17 sec · Montauk Highway

  67. 67

    Continue on Main Street

    1.2 km · 1 min · Main Street

  68. 68

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

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

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
12 turns on the saved route
Ramps & Exits
14
7 merges, 7 ramps or exits
Navigation Density
17.5 / 100 mi
Decision points by distance
Main Roads
New York State Thruway
202 mi · 52%
State Highway 12
41.8 mi · 11%
Southern State Parkway
24.7 mi · 6%
Bea Luck Road
19.8 mi · 5%
NJ 17 South
14.1 mi · 4%
Amelia Street
13.5 mi · 3%
Longest Stretch

New York State Thruway

Keep slight right to continue on New York State Thruway

118 mi · 02h 16m

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
06h 36m
Overnight route
Same-Day Return
13h 14m
Round-trip wheel time
Road vs Air
+106.2 mi
283.3 mi direct line
Halfway Stop
Westmere
03h 18m from Clayton
Leave By
10:46 PM EDT
Overnight-style route
Weather Watch

Chance Rain Showers leaving Clayton and Showers And Thunderstorms Likely near Islip.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 389.5 miles (626.8 km) and usually takes 06h 36m 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?

Westmere is a useful midpoint, sitting about 189.6 miles from Clayton and 199.8 miles from Islip.

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

The direct path is about 283.3 miles (455.9 km), while the road route adds roughly 106.2 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 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 $55.08 one way or $110.17 round trip. Estimated CO2 is about 122.1 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Clayton and Showers And Thunderstorms Likely near Islip.

Stop Ideas Near Westmere

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 Westmere and the surrounding midpoint area.
City Hall Lot
Scenic stop 10 mi away

City Hall Lot

Schenectady , NY
407 Liberty St, Schenectady, NY 12305
Rating 3.0/5 1 reviews Parking lot
Albany City Hall
Meeting point 5.2 mi away

Albany City Hall

Albany , NY
24 Eagle St, Albany, NY 12207
Rating 4.0/5 68 reviews City Hall,City government office

Transit and Meeting Points

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

RAIL

Albany–Rensselaer

12 mi away
525 East St.
RAIL

Schenectady

15 mi away
332 Erie Blvd.
RAIL

Amsterdam station

40 mi away
Railroad St. & West Main Ave.
BUS

Saratoga Springs, NY

43 mi away
267 Union Avenue

Flight Path Map

This map shows the direct air route between Clayton and Islip. Straight-line distance: 283.27 mi (455.88 km).

Photo coming soon

#1 Clayton

Village in Jefferson County, New York, United States

Population4,647
Coordinates44.2394900, -76.0857800
Altitude84
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: Park Circle (-76.086111, 44.23935)
End: Main Street (-73.210382, 40.729789)

Estimated Travel Time

Distance: 627 km by road

SpeedTime
30 mph (48.3 km/h)12h 58m
40 mph (64.37 km/h)09h 44m
50 mph (80.47 km/h)07h 47m
60 mph (96.56 km/h)06h 29m
70 mph (112.65 km/h)05h 33m
80 mph (129 km/h)04h 51m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
13.74 gal
52.02 L · about $55.08
Round trip
$110.17
27.48 gal · 104.04 L
Estimated CO2
122.1 kg one way
Round trip: 244.2 kg / 538 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $55.08 $110.17
Mid-grade $4.48 $61.57 $123.14
Premium $4.86 $66.79 $133.58
Diesel $4.69 $64.50 $128.99

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 · May 14, 2026

There is no time difference between Clayton and Islip. The current time is 00:41:50.

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.