How far is Islip Terrace, NY from Brookhaven, NY?
The driving distance from Islip Terrace, NY to Brookhaven, NY is about 16.4 miles (26.4 km), with a travel time of about 00h 23m by car.
- The straight-line flight distance is about 14.7 miles (23.7 km).
- For a round trip, plan for roughly 00h 47m 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 23m.
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.
Village in Suffolk County, New York
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 Islip Terrace and Brookhaven.
Turn-by-Turn Driving Directions
Step-by-step road directions between Islip Terrace and Brookhaven.
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1
Start on Sunrise Highway
15.1 mi · 21 min · Sunrise Highway
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2
Take the exit slight right toward CR 21 South: Yaphank Avenue, Brookhaven
150 m · 19 sec
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3
Turn left onto Sunrise Hwy South Service Road
130 m · 16 sec · Sunrise Hwy South Service Road
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4
Turn right onto Yaphank Avenue
1426 ft · 43 sec · Yaphank Avenue
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5
Turn right onto Montauk Highway
2741 ft · 58 sec · Montauk Highway
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6
Turn left onto South Country Road
2057 ft · 50 sec · South Country Road
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7
Arrive at your destination
0 m · 1 sec · South Country Road
Car Route Details
A richer read on the saved driving route between Islip Terrace and Brookhaven.
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.
Sunrise Highway
Start on Sunrise Highway
15.1 mi · 00h 21m
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 Islip Terrace and Partly Sunny near Brookhaven.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Islip Terrace to Brookhaven?
The road trip is about 16.4 miles (26.4 km) and usually takes 00h 23m 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?
Patchogue is a useful midpoint, sitting about 8.2 miles from Islip Terrace and 8.2 miles from Brookhaven.
How much longer is the road route than the straight-line distance?
The direct path is about 14.7 miles (23.7 km), while the road route adds roughly 1.7 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.33 one way or $4.65 round trip. Estimated CO2 is about 5.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Islip Terrace and Partly Sunny near Brookhaven.
Stop Ideas Near Patchogue
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Patchogue.
Bridgeport
Stamford Transportation Center
Union Station
New Rochelle station
Flight Path Map
This map shows the direct air route between Islip Terrace and Brookhaven. Straight-line distance: 14.72 mi (23.69 km).
#1 Islip Terrace
Census-designated place in Suffolk County, New York
| Population | 5,389 |
| Coordinates | 40.7431500, -73.1926200 |
| Altitude | 7 |
| Country | United States |
#2 Brookhaven
This town in Suffolk County, New York, is the most populous in the state.
| Population | 479,883 |
| Coordinates | 40.7792700, -72.9153800 |
| Altitude | 3 |
| Country | United States |
End: Brookhaven (-72.91538, 40.77927)
Estimated Travel Time
Distance: 26 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 32m |
| 40 mph (64.37 km/h) | 00h 24m |
| 50 mph (80.47 km/h) | 00h 19m |
| 60 mph (96.56 km/h) | 00h 16m |
| 70 mph (112.65 km/h) | 00h 14m |
| 80 mph (129 km/h) | 00h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $2.33 | $4.65 |
| Mid-grade | $4.48 | $2.60 | $5.20 |
| Premium | $4.86 | $2.82 | $5.64 |
| Diesel | $4.69 | $2.72 | $5.45 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.