How far is Mount Sinai, NY from Oyster Bay, NY?
The driving distance from Mount Sinai, NY to Oyster Bay, NY is about 34.2 miles (55 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 26.8 miles (43.2 km).
- For a round trip, plan for roughly 01h 50m 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 55m.
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 Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Mount Sinai and Oyster Bay.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Sinai and Oyster Bay.
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1
Start on Shore Road
1.1 km · 2 min · Shore Road
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2
Turn right onto North Country Road
948 ft · 24 sec · North Country Road
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3
Turn left onto Crystal Brook Hollow Road
2458 ft · 54 sec · Crystal Brook Hollow Road
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4
Turn right onto Nesconset Highway
6.7 mi · 10 min · Nesconset Highway
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5
Continue on Smithtown Bypass
3194 ft · 52 sec · Smithtown Bypass
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6
Take the exit slight right toward Route 25, Middle Country Road WEST, Smithtown
648 ft · 10 sec
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7
Turn slight right onto Middle Country Road
1.9 mi · 3 min · Middle Country Road
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8
Continue on East Main Street
1.9 mi · 3 min · East Main Street
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9
Keep slight right to continue on Saint Johnland Road
1.9 mi · 3 min · Saint Johnland Road
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10
Turn left onto East Main Street
1.5 mi · 2 min · East Main Street
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11
Continue on State Highway 25A
569 ft · 10 sec · State Highway 25A
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12
Continue on East Main Street
1.5 km · 1 min · East Main Street
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13
Continue on Fort Salonga Road
5.1 mi · 8 min · Fort Salonga Road
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14
Continue on Fort Salonga Road
1.8 mi · 3 min · Fort Salonga Road
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15
Continue on East Main Street
3.8 mi · 7 min · East Main Street
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16
Keep slight left to continue on Main Street
81 m · 7 sec · Main Street
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17
Continue on Lawrence Hill Road
1.4 km · 2 min · Lawrence Hill Road
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18
Continue on Lawrence Hill Road
1.4 km · 2 min · Lawrence Hill Road
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19
At the end of the road, turn left onto Northern Boulevard
2.6 mi · 4 min · Northern Boulevard
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20
Turn slight right onto Berry Hill Road
1.3 km · 1 min · Berry Hill Road
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21
Continue on Berry Hill Road
1.2 mi · 2 min · Berry Hill Road
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22
Continue on Berry Hill Road
19 m · 3 sec · Berry Hill Road
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23
Arrive at your destination
0 m · 1 sec · Berry Hill Road
Car Route Details
A richer read on the saved driving route between Mount Sinai and Oyster Bay.
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.
Nesconset Highway
Turn right onto Nesconset Highway
6.66 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.
Partly Sunny leaving Mount Sinai and Partly Sunny near Oyster Bay.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Sinai to Oyster Bay?
The road trip is about 34.2 miles (55 km) and usually takes 00h 55m 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?
Kings Park is a useful midpoint, sitting about 17.1 miles from Mount Sinai and 17.1 miles from Oyster Bay.
How much longer is the road route than the straight-line distance?
The direct path is about 26.8 miles (43.2 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:40 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 Mount Sinai and Partly Sunny near Oyster Bay.
Stop Ideas Near Kings Park
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 Kings Park.
Stamford Transportation Center
Bridgeport
New Rochelle station
Union Station
Flight Path Map
This map shows the direct air route between Mount Sinai and Oyster Bay. Straight-line distance: 26.84 mi (43.19 km).
#1 Mount Sinai
Hamlet located within the Town of Brookhaven in Suffolk County, New York
| Population | 12,118 |
| Coordinates | 40.9470400, -73.0295500 |
| Altitude | 10 |
| Country | United States |
#2 Oyster Bay
Town on Long Island, New York, United States
| Population | 296,592 |
| Coordinates | 40.8656500, -73.5320700 |
| Altitude | 14 |
| Country | United States |
End: Oyster Bay (-73.53207, 40.86565)
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 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.