How far is Oyster Bay, NY from Stony Brook, NY?
The driving distance from Oyster Bay, NY to Stony Brook, NY is about 28.3 miles (45.6 km), with a travel time of about 00h 48m by car.
- The straight-line flight distance is about 20.8 miles (33.5 km).
- For a round trip, plan for roughly 01h 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 00h 48m.
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
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Oyster Bay and Stony Brook.
Turn-by-Turn Driving Directions
Step-by-step road directions between Oyster Bay and Stony Brook.
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1
Start on Berry Hill Road
88 m · 20 sec · Berry Hill Road
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2
Turn sharp left onto South Street
99 m · 13 sec · South Street
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3
Turn left onto Berry Hill Road
2 mi · 4 min · Berry Hill Road
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4
Turn slight left onto Northern Boulevard
2.6 mi · 4 min · Northern Boulevard
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5
Turn right onto Lawrence Hill Road
1.4 km · 2 min · Lawrence Hill Road
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6
At the end of the road, turn right onto Lawrence Hill Road
1.4 km · 2 min · Lawrence Hill Road
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7
Continue on Main Street
1.6 mi · 3 min · Main Street
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8
Keep slight left to continue on East Main Street
2.3 mi · 4 min · East Main Street
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9
Continue on Fort Salonga Road
6.5 mi · 10 min · Fort Salonga Road
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10
Continue on Fort Salonga Road
2386 ft · 41 sec · Fort Salonga Road
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11
Continue on West Main Street
1.5 km · 1 min · West Main Street
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12
Continue on State Highway 25A
569 ft · 10 sec · State Highway 25A
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13
Continue on East Main Street
1.5 mi · 2 min · East Main Street
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14
Continue on Rose Street
2463 ft · 50 sec · Rose Street
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15
At the end of the road, turn right onto Landing Avenue
1.8 mi · 3 min · Landing Avenue
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16
Turn left onto Edgewood Avenue
1.6 mi · 3 min · Edgewood Avenue
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17
Turn left onto North Country Road
1.8 mi · 4 min · North Country Road
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18
Continue on Smithtown-Port Jefferson Road
1.5 km · 2 min · Smithtown-Port Jefferson Road
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19
Continue on North Country Road
1.1 km · 1 min · North Country Road
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20
Turn straight onto Main Street
1.1 km · 1 min · Main Street
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21
Keep slight left to continue on Christian Avenue
2555 ft · 51 sec · Christian Avenue
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22
Turn right onto Cedar Street
20 m · 1 sec · Cedar Street
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23
Arrive at your destination
0 m · 1 sec · Cedar Street
Car Route Details
A richer read on the saved driving route between Oyster Bay and Stony Brook.
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.
Fort Salonga Road
Continue on Fort Salonga Road
6.48 mi · 00h 10m
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 Oyster Bay and Rain Showers Likely near Stony Brook.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Oyster Bay to Stony Brook?
The road trip is about 28.3 miles (45.6 km) and usually takes 00h 48m 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?
Fort Salonga is a useful midpoint, sitting about 14.2 miles from Oyster Bay and 14.2 miles from Stony Brook.
How much longer is the road route than the straight-line distance?
The direct path is about 20.8 miles (33.5 km), while the road route adds roughly 7.5 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 4:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.01 one way or $8.02 round trip. Estimated CO2 is about 8.9 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Oyster Bay and Rain Showers Likely near Stony Brook.
Stop Ideas Near Fort Salonga
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Norwalk City Hall parking
Babylon Town Hall Annex
Town of Babylon History Museum at Old Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Fort Salonga.
Stamford Transportation Center
Bridgeport
New Rochelle station
Yonkers station
Flight Path Map
This map shows the direct air route between Oyster Bay and Stony Brook. Straight-line distance: 20.85 mi (33.55 km).
#1 Oyster Bay
Town on Long Island, New York, United States
| Population | 296,592 |
| Coordinates | 40.8656500, -73.5320700 |
| Altitude | 14 |
| Country | United States |
#2 Stony Brook
Public university in Stony Brook, New York, United States
| Population | 13,740 |
| Coordinates | 40.9256500, -73.1409400 |
| Altitude | 27 |
| Country | United States |
End: Stony Brook (-73.14094, 40.92565)
Estimated Travel Time
Distance: 46 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 56m |
| 40 mph (64.37 km/h) | 00h 42m |
| 50 mph (80.47 km/h) | 00h 34m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $4.01 | $8.02 |
| Mid-grade | $4.48 | $4.48 | $8.96 |
| Premium | $4.86 | $4.86 | $9.72 |
| Diesel | $4.69 | $4.69 | $9.39 |
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.