How far is Brookhaven, NY from Sea Cliff, NY?
The driving distance from Brookhaven, NY to Sea Cliff, NY is about 43.8 miles (70.5 km), with a travel time of about 01h 03m by car.
- The straight-line flight distance is about 38.5 miles (61.9 km).
- For a round trip, plan for roughly 02h 07m 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 01h 03m.
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.
Census-designated place in Suffolk County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Brookhaven and Sea Cliff.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brookhaven and Sea Cliff.
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1
Start on South Country Road
1912 ft · 47 sec · South Country Road
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2
Continue on South Country Road
108 m · 17 sec · South Country Road
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3
Turn straight onto Montauk Highway
1.3 km · 1 min · Montauk Highway
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4
Turn left onto Horseblock Road
4.2 mi · 6 min · Horseblock Road
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5
Turn left onto Express Drive North
873 ft · 15 sec · Express Drive North
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6
Take the ramp straight toward I 495 WEST: New York
1278 ft · 22 sec
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7
Merge slight left onto Long Island Expressway
29.4 mi · 39 min · Long Island Expressway
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8
Take the exit slight right toward NY 106 North, NY 107 North, I 495 Alternate: Oyster Bay
761 ft · 16 sec
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9
Turn straight onto North Service Road
1053 ft · 24 sec · North Service Road
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10
Turn right onto North Broadway
2691 ft · 52 sec · North Broadway
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11
Continue on Cedar Swamp Road
6.2 mi · 10 min · Cedar Swamp Road
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12
Keep slight right to continue on Cedar Swamp Road
720 ft · 23 sec · Cedar Swamp Road
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13
Turn left onto Sea Cliff Avenue
1.4 mi · 4 min · Sea Cliff Avenue
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14
Turn left onto Roslyn Avenue
16 m · 2 sec · Roslyn Avenue
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15
Arrive at your destination
0 m · 1 sec · Roslyn Avenue
Car Route Details
A richer read on the saved driving route between Brookhaven and Sea Cliff.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Long Island Expressway
Merge slight left onto Long Island Expressway
29.4 mi · 00h 39m
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.
Rain Showers Likely leaving Brookhaven and Showers And Thunderstorms near Sea Cliff.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brookhaven to Sea Cliff?
The road trip is about 43.8 miles (70.5 km) and usually takes 01h 03m 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?
Dix Hills is a useful midpoint, sitting about 21.9 miles from Brookhaven and 21.9 miles from Sea Cliff.
How much longer is the road route than the straight-line distance?
The direct path is about 38.5 miles (61.9 km), while the road route adds roughly 5.3 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 4:22 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.21 one way or $12.43 round trip. Estimated CO2 is about 13.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Brookhaven and Showers And Thunderstorms near Sea Cliff.
Stop Ideas Near Dix Hills
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Brookhaven Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dix Hills.
Stamford Transportation Center
New Rochelle station
Bridgeport
Yonkers station
Flight Path Map
This map shows the direct air route between Brookhaven and Sea Cliff. Straight-line distance: 38.45 mi (61.88 km).
#1 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 |
#2 Sea Cliff
Village in New York
| Population | 5,056 |
| Coordinates | 40.8489900, -73.6448500 |
| Altitude | 57 |
| Country | United States |
End: Sea Cliff (-73.64485, 40.84899)
Estimated Travel Time
Distance: 71 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 27m |
| 40 mph (64.37 km/h) | 01h 05m |
| 50 mph (80.47 km/h) | 00h 52m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 37m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $6.21 | $12.43 |
| Mid-grade | $4.48 | $6.95 | $13.89 |
| Premium | $4.86 | $7.53 | $15.07 |
| Diesel | $4.69 | $7.28 | $14.55 |
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.