How far is Greenlawn, NY from Southold, NY?
The driving distance from Greenlawn, NY to Southold, NY is about 60.9 miles (98 km), with a travel time of about 01h 18m by car.
- The straight-line flight distance is about 50.8 miles (81.8 km).
- For a round trip, plan for roughly 02h 37m 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 18m.
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.
Partly Cloudy
Sunny
Driving Route Map
The map below follows the saved road route between Greenlawn and Southold.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greenlawn and Southold.
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1
Start on Smith Street
6 m · 4 sec · Smith Street
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2
Turn right onto Broadway
1470 ft · 38 sec · Broadway
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3
Turn left onto East Pulaski Road
4.3 mi · 8 min · East Pulaski Road
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4
Turn right onto Townline Road
1503 ft · 34 sec · Townline Road
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5
Turn left onto Old Northport Road
3 mi · 5 min · Old Northport Road
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6
Continue on Meadow Road
1 mi · 2 min · Meadow Road
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7
Continue on Gardiner Road
1875 ft · 40 sec · Gardiner Road
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8
Turn left onto Jericho Turnpike
763 ft · 15 sec · Jericho Turnpike
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9
Continue on West Main Street
1.9 mi · 3 min · West Main Street
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10
Continue on Middle Country Road
2 mi · 3 min · Middle Country Road
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11
Turn left onto Nesconset Highway
5.1 mi · 6 min · Nesconset Highway
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12
Continue on Nesconset-Port Jefferson Highway
2.3 mi · 3 min · Nesconset-Port Jefferson Highway
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13
Continue on Nesconset Highway
1138 ft · 22 sec · Nesconset Highway
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14
Continue on Route 25A EAST, Mount Sinai, Wading River
8.1 mi · 14 min
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15
Turn straight onto Route 25A
1.7 mi · 3 min · Route 25A
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16
Continue on NY-25A
1.3 mi · 2 min · NY-25A
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17
Turn left onto Sound Avenue
14.9 mi · 25 min · Sound Avenue
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18
Continue on Middle Road
8.8 mi · 13 min · Middle Road
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19
Take the exit right toward Southold
71 m · 13 sec
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20
Turn slight right onto Youngs Avenue
2820 ft · 1 min · Youngs Avenue
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21
Arrive at your destination
0 m · 1 sec · Youngs Avenue
Car Route Details
A richer read on the saved driving route between Greenlawn and Southold.
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.
Sound Avenue
Turn left onto Sound Avenue
14.9 mi · 00h 25m
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.
Partly Cloudy leaving Greenlawn and Sunny near Southold.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greenlawn to Southold?
The road trip is about 60.9 miles (98 km) and usually takes 01h 18m 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?
East Shoreham is a useful midpoint, sitting about 28.1 miles from Greenlawn and 32.8 miles from Southold.
How much longer is the road route than the straight-line distance?
The direct path is about 50.8 miles (81.8 km), while the road route adds roughly 10.1 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 3:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.56 one way or $19.13 round trip. Estimated CO2 is about 19.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Greenlawn and Sunny near Southold.
Stop Ideas Near East Shoreham
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 East Shoreham.
Bridgeport
Union Station
Stamford Transportation Center
Wallingford station
Flight Path Map
This map shows the direct air route between Greenlawn and Southold. Straight-line distance: 50.82 mi (81.79 km).
#1 Greenlawn
Census-designated place in Suffolk County, New York
| Population | 13,742 |
| Coordinates | 40.8689900, -73.3651200 |
| Altitude | 69 |
| Country | United States |
#2 Southold
Town in New York
| Population | 22,282 |
| Coordinates | 41.0648200, -72.4262000 |
| Altitude | 7 |
| Country | United States |
End: Youngs Avenue (-72.426265, 41.064797)
Estimated Travel Time
Distance: 98 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 01m |
| 40 mph (64.37 km/h) | 01h 31m |
| 50 mph (80.47 km/h) | 01h 13m |
| 60 mph (96.56 km/h) | 01h 00m |
| 70 mph (112.65 km/h) | 00h 52m |
| 80 mph (129 km/h) | 00h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.45 | $9.56 | $19.13 |
| Mid-grade | $4.98 | $10.71 | $21.42 |
| Premium | $5.38 | $11.57 | $23.14 |
| Diesel | $6.51 | $13.99 | $27.99 |
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 · Oct 15, 2026