How far is Lake Success, NY from Islip, NY?
The driving distance from Lake Success, NY to Islip, NY is about 34.1 miles (54.8 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 26.7 miles (43 km).
- For a round trip, plan for roughly 01h 23m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 41m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Hamlet on Long Island, New York, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Lake Success and Islip.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lake Success and Islip.
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1
Start on Meadow Woods Road
56 m · 8 sec · Meadow Woods Road
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2
Turn right onto Fox Hunt Lane
131 m · 25 sec · Fox Hunt Lane
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3
At the end of the road, turn left onto Horace Harding Boulevard
2368 ft · 59 sec · Horace Harding Boulevard
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4
Turn right onto Lakeville Road
102 m · 13 sec · Lakeville Road
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5
Turn left onto South Service Road
1515 ft · 34 sec · South Service Road
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6
Take the ramp slight left toward I 495 East: Riverhead
948 ft · 25 sec
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7
Merge slight left onto Long Island Expressway
25.4 mi · 35 min · Long Island Expressway
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8
Take the exit slight right toward CR 67: Motor Parkway, Central Islip
1119 ft · 32 sec
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9
Turn straight onto Express Drive South
1230 ft · 27 sec · Express Drive South
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10
Turn right onto Motor Parkway
1.5 km · 2 min · Motor Parkway
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11
Turn right onto Joshuas Path
1.1 mi · 2 min · Joshuas Path
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12
Continue on Islip Avenue
4 mi · 7 min · Islip Avenue
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13
At the end of the road, turn right onto Main Street
865 ft · 15 sec · Main Street
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14
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Lake Success and Islip.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Long Island Expressway
Merge slight left onto Long Island Expressway
25.4 mi · 00h 35m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Partly Sunny leaving Lake Success 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 Lake Success to Islip?
The road trip is about 34.1 miles (54.8 km) and usually takes 00h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Melville is a useful midpoint, sitting about 16.5 miles from Lake Success and 17.5 miles from Islip.
How much longer is the road route than the straight-line distance?
The direct path is about 26.7 miles (43 km), while the road route adds roughly 7.4 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.81 one way or $9.62 round trip. Estimated CO2 is about 10.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Lake Success and Partly Sunny near Islip.
Stop Ideas Near Melville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Babylon Town Hall Annex
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Melville.
Stamford Transportation Center
New Rochelle station
Yonkers station
Bridgeport
Flight Path Map
This map shows the direct air route between Lake Success and Islip. Straight-line distance: 26.7 mi (42.97 km).
#1 Lake Success
Village in Nassau County, Long Island, New York
| Population | 3,132 |
| Coordinates | 40.7706600, -73.7176300 |
| Altitude | 62 |
| 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: 55 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 08m |
| 40 mph (64.37 km/h) | 00h 51m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 34m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $4.81 | $9.62 |
| Mid-grade | $4.48 | $5.38 | $10.75 |
| Premium | $4.86 | $5.83 | $11.67 |
| Diesel | $4.69 | $5.63 | $11.27 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.