How far is Bayville, NY from Smithtown, NY?
The driving distance from Bayville, NY to Smithtown, NY is about 31.7 miles (51 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 19.3 miles (31 km).
- For a round trip, plan for roughly 01h 27m 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 43m.
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.
Census-designated place in Suffolk County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Bayville and Smithtown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bayville and Smithtown.
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1
Start on Mountain Avenue
13 m · 8 sec · Mountain Avenue
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2
Turn left onto Bayville Avenue
1.1 km · 1 min · Bayville Avenue
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3
Turn right onto Ludlam Avenue
1388 ft · 24 sec · Ludlam Avenue
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4
Continue on Bayville Bridge
537 ft · 9 sec · Bayville Bridge
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5
Continue on West Shore Road
2 mi · 3 min · West Shore Road
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6
Continue on West Main Street
3131 ft · 1 min · West Main Street
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7
At the end of the road, turn left onto South Street
62 m · 7 sec · South Street
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8
Turn right onto East Main Street
1.1 mi · 2 min · East Main Street
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9
Continue on Cove Road
2 mi · 4 min · Cove Road
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10
Turn left onto Northern Boulevard
1.6 mi · 2 min · Northern Boulevard
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11
Turn right onto Lawrence Hill Road
1.4 km · 2 min · Lawrence Hill Road
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12
At the end of the road, turn right onto Lawrence Hill Road
1.4 km · 2 min · Lawrence Hill Road
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13
Continue on Main Street
1.6 mi · 3 min · Main Street
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14
Keep slight left to continue on East Main Street
2.3 mi · 4 min · East Main Street
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15
Continue on Fort Salonga Road
6.5 mi · 10 min · Fort Salonga Road
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16
Continue on Fort Salonga Road
2386 ft · 41 sec · Fort Salonga Road
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17
Continue on West Main Street
1.5 km · 1 min · West Main Street
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18
Continue on State Highway 25A
569 ft · 10 sec · State Highway 25A
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19
Continue on East Main Street
1.5 mi · 2 min · East Main Street
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20
Turn right onto Saint Johnland Road
1.9 mi · 3 min · Saint Johnland Road
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21
Continue on West Main Street
3144 ft · 55 sec · West Main Street
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22
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Bayville and Smithtown.
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 short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Cloudy leaving Bayville and Partly Cloudy near Smithtown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bayville to Smithtown?
The road trip is about 31.7 miles (51 km) and usually takes 00h 43m 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?
Greenlawn is a useful midpoint, sitting about 13 miles from Bayville and 18.7 miles from Smithtown.
How much longer is the road route than the straight-line distance?
The direct path is about 19.3 miles (31 km), while the road route adds roughly 12.4 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.49 one way or $8.98 round trip. Estimated CO2 is about 10 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Bayville and Partly Cloudy near Smithtown.
Stop Ideas Near Greenlawn
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Babylon Town Hall Annex
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Greenlawn.
Stamford Transportation Center
New Rochelle station
Bridgeport
Yonkers station
Flight Path Map
This map shows the direct air route between Bayville and Smithtown. Straight-line distance: 19.26 mi (30.99 km).
#1 Bayville
Village in Nassau County, New York, United States
| Population | 6,695 |
| Coordinates | 40.9106500, -73.5620700 |
| Altitude | 12 |
| Country | United States |
#2 Smithtown
Census-designated place in Suffolk County, New York
| Population | 110,876 |
| Coordinates | 40.8559300, -73.2006700 |
| Altitude | 18 |
| Country | United States |
End: West Main Street (-73.200729, 40.855811)
Estimated Travel Time
Distance: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 03m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $4.49 | $8.98 |
| Mid-grade | $4.48 | $5.02 | $10.04 |
| Premium | $4.86 | $5.44 | $10.89 |
| Diesel | $4.69 | $5.26 | $10.51 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.