How far is Clermont, NY from Islip, NY?
The driving distance from Clermont, NY to Islip, NY is about 148.6 miles (239.2 km), with a travel time of about 02h 45m by car.
- The straight-line flight distance is about 98.9 miles (159.2 km).
- For a round trip, plan for roughly 05h 30m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 02h 45m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town in Westchester County, New York, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Clermont and Islip.
Turn-by-Turn Driving Directions
Step-by-step road directions between Clermont and Islip.
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1
Start on the route
7 mi · 11 min
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2
Turn left onto East Market Street
2552 ft · 43 sec · East Market Street
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3
Continue on State Highway 199
6.9 mi · 10 min · State Highway 199
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4
Take the ramp slight left
1299 ft · 38 sec
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5
Merge slight left onto Taconic State Parkway
30.9 mi · 42 min · Taconic State Parkway
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6
Take the exit slight right toward I 84 East: Danbury
1395 ft · 48 sec
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7
Merge slight left
15.5 mi · 18 min
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8
Take the exit slight right toward I 684 South: White Plains
3060 ft · 1 min
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9
Merge slight right
26.8 mi · 31 min
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10
Keep slight left to continue on Hutchinson River Parkway, New York City
1.5 mi · 2 min
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11
Merge slight right onto Hutchinson River Parkway
7.7 mi · 11 min · Hutchinson River Parkway
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12
Keep slight right to continue on Hutchinson River Parkway
5.9 mi · 9 min · Hutchinson River Parkway
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13
Take the exit slight right toward I 95 South: George Washington Bridge, Stillwell Avenue
43 m · 5 sec
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14
Keep slight right to continue on I 95 South: George Washington Bridge
1265 ft · 47 sec
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15
Merge slight left onto New England Thruway
1861 ft · 32 sec · New England Thruway
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16
Continue on Bruckner Expressway
1.3 mi · 2 min · Bruckner Expressway
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17
Keep slight left to continue on Throgs Neck Expressway
2.2 mi · 3 min · Throgs Neck Expressway
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18
Continue on Throgs Neck Bridge
2 mi · 3 min · Throgs Neck Bridge
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19
Continue on Clearview Expressway
5 mi · 5 min · Clearview Expressway
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20
Continue on Hollis Court Boulevard
1.2 km · 1 min · Hollis Court Boulevard
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21
At the end of the road, turn left onto Jamaica Avenue
1117 ft · 35 sec · Jamaica Avenue
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22
Turn right onto Hempstead Avenue
1.4 km · 2 min · Hempstead Avenue
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23
Turn right onto 225th Street
69 m · 10 sec · 225th Street
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24
Take the ramp straight toward Cross Island Parkway South, Verrazano Bridge
1171 ft · 29 sec
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25
Merge slight left onto Cross Island Parkway
1.3 mi · 2 min · Cross Island Parkway
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26
Take the exit slight left toward Southern State Parkway East, Eastern Long Island
2383 ft · 1 min
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27
Merge slight left onto Southern State Parkway
24.5 mi · 31 min · Southern State Parkway
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28
Keep slight left to continue on Southern State Parkway
1072 ft · 16 sec · Southern State Parkway
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29
Take the exit slight right toward Bay Shore Road South, Bay Shore
1044 ft · 32 sec
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30
Turn straight onto Bay Shore Road
2667 ft · 1 min · Bay Shore Road
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31
Continue on Howells Road
1845 ft · 44 sec · Howells Road
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32
Turn straight onto Sunrise Highway
104 m · 7 sec · Sunrise Highway
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33
Keep slight right to continue on Howells Road
3115 ft · 2 min · Howells Road
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34
Continue on Roosevelt Street
1248 ft · 25 sec · Roosevelt Street
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35
Continue on 3rd Avenue
1 km · 1 min · 3rd Avenue
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36
At the end of the road, turn left onto East Main Street
1.1 mi · 2 min · East Main Street
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37
Continue on Montauk Highway
1014 ft · 17 sec · Montauk Highway
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38
Continue on Main Street
1.2 km · 1 min · Main Street
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39
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Clermont and Islip.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Taconic State Parkway
Merge slight left onto Taconic State Parkway
30.9 mi · 00h 42m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny near Clermont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Clermont to Islip?
The road trip is about 148.6 miles (239.2 km) and usually takes 02h 45m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Bedford is a useful midpoint, sitting about 74 miles from Clermont and 74.6 miles from Islip.
How much longer is the road route than the straight-line distance?
The direct path is about 98.9 miles (159.2 km), while the road route adds roughly 49.7 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:00 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.05 one way or $42.09 round trip. Estimated CO2 is about 46.7 kg one way.
What should you check before leaving?
Before leaving, the latest forecast around Clermont is Mostly Sunny.
Stop Ideas Near Bedford
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Danbury Fair
Old Town Hall
Greenwich Town Hall
Greenburgh Town Court
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bedford.
Croton–Harmon station
Stamford Transportation Center
New Rochelle station
Yonkers station
Flight Path Map
This map shows the direct air route between Clermont and Islip. Straight-line distance: 98.94 mi (159.23 km).
#1 Clermont
Town in New York
| Population | 1,873 |
| Coordinates | 42.0850900, -73.8270700 |
| Altitude | 68 |
| Country | United States |
#2 Islip
This Long Island community is situated on the south shore of Suffolk County, New York, at an elevation of 13 feet.
| Population | 322,328 |
| Coordinates | 40.7298200, -73.2103900 |
| Altitude | 4 |
| Country | United States |
End: Main Street (-73.210382, 40.729789)
Estimated Travel Time
Distance: 239 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 57m |
| 40 mph (64.37 km/h) | 03h 42m |
| 50 mph (80.47 km/h) | 02h 58m |
| 60 mph (96.56 km/h) | 02h 28m |
| 70 mph (112.65 km/h) | 02h 07m |
| 80 mph (129 km/h) | 01h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $21.05 | $42.09 |
| Mid-grade | $4.48 | $23.53 | $47.05 |
| Premium | $4.86 | $25.52 | $51.04 |
| Diesel | $4.69 | $24.64 | $49.29 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.