How far is South Bristol, NY from Islip, NY?

The driving distance from South Bristol, NY to Islip, NY is about 357.8 miles (575.8 km), with a travel time of about 06h 09m by car.

  • The straight-line flight distance is about 256.4 miles (412.6 km).
  • For a round trip, plan for roughly 12h 19m 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
357.8 mi
06h 09m
Flight
256.36 mi
412.57 km direct

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

Learn Distance

Choose another destination from South Bristol.

Flight Distance

Direct air line
256.36 mi
Kilometers
412.57 km
Flight Time
00h 30m

Driving Distance

Road route
357.8 mi
Kilometers
575.82 km
Drive Time
06h 09m

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 09m.

Arrival Snapshot
Arrive in Islip
Sun, Apr 19, 4:45 AM EDT
Return by in South Bristol
Sun, Apr 19, 10:54 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Bristol
2026-04-18T22:35
Arrive Islip
Sun, Apr 19, 4:45 AM EDT
Route Timing
06h 09m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
12:10 PM to 1:40 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
11:40 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in South Bristol
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
Riverside
NY

City in Steuben County, New York, United States of America

From South Bristol
177.8 mi
03h 04m
To Islip
180.1 mi
03h 04m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Saturday

Partly Sunny then Chance Rain Showers

Starts
Sat, Apr 18 6:00 AM EDT
Wind
10 to 15 mph S
Destination
60°F
Saturday

Partly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 to 8 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between South Bristol and Islip.

  1. 1

    Start on Bristol Valley Road

    2.3 mi · 4 min · Bristol Valley Road

  2. 2

    Continue on State Highway 21

    6.1 mi · 9 min · State Highway 21

  3. 3

    Continue on North Main Street

    1.5 km · 1 min · North Main Street

  4. 4

    Continue on State Highway 21

    1 km · 57 sec · State Highway 21

  5. 5

    Turn right onto Cohocton Street

    1031 ft · 17 sec · Cohocton Street

  6. 6

    Continue on State Highway 21

    3.6 mi · 5 min · State Highway 21

  7. 7

    Continue on Naples Street

    1 km · 57 sec · Naples Street

  8. 8

    Continue on Cohocton Street

    2848 ft · 48 sec · Cohocton Street

  9. 9

    Continue on State Highway 371

    4.3 mi · 6 min · State Highway 371

  10. 10

    Turn right onto Maple Avenue

    1 km · 1 min · Maple Avenue

  11. 11

    Turn left onto Cohocton Loon Lake Road

    2637 ft · 1 min · Cohocton Loon Lake Road

  12. 12

    Take the ramp left

    1321 ft · 32 sec

  13. 13

    Merge slight left onto Genesee Expressway

    10.3 mi · 12 min · Genesee Expressway

  14. 14

    Merge slight right onto Southern Tier Expressway

    104.5 mi · 2 hr 2 min · Southern Tier Expressway

  15. 15

    Keep slight right to continue on I 81 South: Scranton

    53.4 mi · 1 hr 3 min

  16. 16

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

    1.2 km · 1 min

  17. 17

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

    3.7 mi · 5 min

  18. 18

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

    23.6 mi · 26 min

  19. 19

    Keep slight left to continue on I 80 East: Stroudsburg

    1 mi · 1 min

  20. 20

    Merge slight right onto Keystone Shortway

    80 mi · 1 hr 37 min · Keystone Shortway

  21. 21

    Keep slight right to continue on Christopher Columbus Highway

    5.5 mi · 6 min · Christopher Columbus Highway

  22. 22

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

    1503 ft · 23 sec

  23. 23

    Keep slight right to continue on Leonia, Teaneck

    2128 ft · 38 sec

  24. 24

    Turn right onto Leonia

    1032 ft · 35 sec

  25. 25

    Turn straight onto Degraw Avenue

    138 m · 9 sec · Degraw Avenue

  26. 26

    Continue on Fort Lee Road

    1.1 mi · 2 min · Fort Lee Road

  27. 27

    Continue on Main Street

    143 m · 13 sec · Main Street

  28. 28

    Take the ramp left toward George Washington Bridge

    144 m · 13 sec

  29. 29

    Merge slight left onto Bergen Boulevard

    1552 ft · 29 sec · Bergen Boulevard

  30. 30

    Take the exit slight left toward George Washington Bridge Upper Level

    95 m · 5 sec

  31. 31

    Merge slight left

    1649 ft · 20 sec

  32. 32

    Keep slight left

    1.3 km · 1 min

  33. 33

    Continue on George Washington Bridge (upper level)

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

  34. 34

    Continue on Trans-Manhattan Expressway

    1.2 km · 1 min · Trans-Manhattan Expressway

  35. 35

    Continue on Cross Bronx Expressway

    4.7 mi · 6 min · Cross Bronx Expressway

  36. 36

    Keep slight right to continue on Cross Bronx Expressway

    2 mi · 3 min · Cross Bronx Expressway

  37. 37

    Merge slight left onto Throgs Neck Expressway

    3271 ft · 58 sec · Throgs Neck Expressway

  38. 38

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  39. 39

    Continue on Clearview Expressway

    5 mi · 5 min · Clearview Expressway

  40. 40

    Continue on Hollis Court Boulevard

    1.2 km · 1 min · Hollis Court Boulevard

  41. 41

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

    1117 ft · 35 sec · Jamaica Avenue

  42. 42

    Turn right onto Hempstead Avenue

    1.4 km · 2 min · Hempstead Avenue

  43. 43

    Turn right onto 225th Street

    69 m · 10 sec · 225th Street

  44. 44

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

    1171 ft · 29 sec

  45. 45

    Merge slight left onto Cross Island Parkway

    1.3 mi · 2 min · Cross Island Parkway

  46. 46

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

    2383 ft · 1 min

  47. 47

    Merge slight left onto Southern State Parkway

    24.5 mi · 31 min · Southern State Parkway

  48. 48

    Keep slight left to continue on Southern State Parkway

    1072 ft · 16 sec · Southern State Parkway

  49. 49

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

    1044 ft · 32 sec

  50. 50

    Turn straight onto Bay Shore Road

    2667 ft · 1 min · Bay Shore Road

  51. 51

    Continue on Howells Road

    1845 ft · 44 sec · Howells Road

  52. 52

    Turn straight onto Sunrise Highway

    104 m · 7 sec · Sunrise Highway

  53. 53

    Keep slight right to continue on Howells Road

    3115 ft · 2 min · Howells Road

  54. 54

    Continue on Roosevelt Street

    1248 ft · 25 sec · Roosevelt Street

  55. 55

    Continue on 3rd Avenue

    1 km · 1 min · 3rd Avenue

  56. 56

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

    1.1 mi · 2 min · East Main Street

  57. 57

    Continue on Montauk Highway

    1014 ft · 17 sec · Montauk Highway

  58. 58

    Continue on Main Street

    1.2 km · 1 min · Main Street

  59. 59

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

A richer read on the saved driving route between South Bristol 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
59 steps
11 turns on the saved route
Ramps & Exits
14
8 merges, 6 ramps or exits
Navigation Density
16.5 / 100 mi
Decision points by distance
Main Roads
Southern Tier Expressway
105 mi · 29%
Keystone Shortway
80 mi · 22%
I 81 South
53.4 mi · 15%
Southern State Parkway
24.7 mi · 7%
I 380 South
23.6 mi · 7%
State Highway 21
10.4 mi · 3%
Longest Stretch

Southern Tier Expressway

Merge slight right onto Southern Tier Expressway

105 mi · 02h 02m

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 09m
Overnight route
Same-Day Return
12h 20m
Round-trip wheel time
Road vs Air
+101.4 mi
256.4 mi direct line
Halfway Stop
Riverside
03h 04m from South Bristol
Leave By
11:40 PM EDT
Overnight-style route
Weather Watch

Partly Sunny then Chance Rain Showers leaving South Bristol and Partly Sunny near Islip.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Bristol to Islip?

The road trip is about 357.8 miles (575.8 km) and usually takes 06h 09m 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?

Riverside is a useful midpoint, sitting about 177.8 miles from South Bristol and 180.1 miles from Islip.

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

The direct path is about 256.4 miles (412.6 km), while the road route adds roughly 101.4 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 $50.59 one way or $101.19 round trip. Estimated CO2 is about 112.2 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny then Chance Rain Showers around South Bristol and Partly Sunny near Islip.

Stop Ideas Near Riverside

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

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

BUS

Scranton, PA

67 mi away
23 Lackawanna Avenue
BUS

Wilkes-Barre, PA

85 mi away
47 South Washington Street
BUS

White Haven, PA

104 mi away
I-476, Exit 95/I-80, Exit 277, at Hwy 940

Flight Path Map

This map shows the direct air route between South Bristol and Islip. Straight-line distance: 256.36 mi (412.57 km).

Photo coming soon

#1 South Bristol

Town in New York state

Population1,579
Coordinates42.7297900, -77.3991500
Altitude331
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: Bristol Valley Road (-77.399221, 42.72979)
End: Main Street (-73.210382, 40.729789)

Estimated Travel Time

Distance: 576 km by road

SpeedTime
30 mph (48.3 km/h)11h 55m
40 mph (64.37 km/h)08h 56m
50 mph (80.47 km/h)07h 09m
60 mph (96.56 km/h)05h 57m
70 mph (112.65 km/h)05h 06m
80 mph (129 km/h)04h 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.62 gal
47.79 L · about $50.59
Round trip
$101.19
25.24 gal · 95.58 L
Estimated CO2
112.2 kg one way
Round trip: 224.3 kg / 494 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $50.59 $101.19
Mid-grade $4.48 $56.55 $113.10
Premium $4.86 $61.35 $122.69
Diesel $4.69 $59.24 $118.48

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 19, 2026

There is no time difference between South Bristol and Islip. The current time is 22:35:24.

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.