How far is Babylon, NY from Smithtown, NY?
The driving distance from Babylon, NY to Smithtown, NY is about 17.3 miles (27.8 km), with a travel time of about 00h 24m by car.
- The straight-line flight distance is about 12.9 miles (20.7 km).
- For a round trip, plan for roughly 00h 49m 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 24m.
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.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Babylon and Smithtown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Babylon and Smithtown.
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1
Start on South Carll Avenue
21 m · 6 sec · South Carll Avenue
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2
Turn right onto West Main Street
2135 ft · 43 sec · West Main Street
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3
Continue on Montauk Highway
565 ft · 18 sec · Montauk Highway
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4
Turn left onto NY 231 North: Huntington
661 ft · 26 sec
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5
Continue on Babylon-Northport Expressway
1.3 mi · 2 min · Babylon-Northport Expressway
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6
Turn slight right onto NY 27 East: Montauk
969 ft · 41 sec
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7
Turn straight onto Sunrise Highway
905 ft · 17 sec · Sunrise Highway
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8
Take the ramp slight left toward NY 27 East
707 ft · 17 sec
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9
Merge slight left onto Sunrise Highway
2494 ft · 39 sec · Sunrise Highway
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10
Take the exit slight right toward RM: Robert Moses Park, Southern Parkway
743 ft · 18 sec
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11
Turn straight onto Sunrise Highway South Service Road
2890 ft · 55 sec · Sunrise Highway South Service Road
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12
Take the ramp slight right toward RM North
803 ft · 20 sec
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13
Merge slight left onto Robert Moses Causeway
1 mi · 1 min · Robert Moses Causeway
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14
Merge slight left onto Southern State Parkway
698 ft · 11 sec · Southern State Parkway
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15
Keep slight left to continue on Sagtikos State Parkway
5.4 mi · 7 min · Sagtikos State Parkway
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16
Continue on Sunken Meadow State Parkway
1.7 mi · 2 min · Sunken Meadow State Parkway
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17
Take the exit slight right toward NY 25 East: Jericho Turnpike East, Smithtown
1170 ft · 31 sec
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18
Turn slight right onto Jericho Turnpike
3.9 mi · 6 min · Jericho Turnpike
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19
Continue on West Main Street
3144 ft · 55 sec · West Main Street
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20
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Babylon 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.
Sagtikos State Parkway
Keep slight left to continue on Sagtikos State Parkway
5.43 mi · 00h 07m
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.
Chance Rain Showers leaving Babylon and Chance Rain Showers near Smithtown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Babylon to Smithtown?
The road trip is about 17.3 miles (27.8 km) and usually takes 00h 24m 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?
Brentwood is a useful midpoint, sitting about 8.3 miles from Babylon and 8.9 miles from Smithtown.
How much longer is the road route than the straight-line distance?
The direct path is about 12.9 miles (20.7 km), while the road route adds roughly 4.4 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 7:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.45 one way or $4.89 round trip. Estimated CO2 is about 5.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Babylon and Chance Rain Showers near Smithtown.
Stop Ideas Near Brentwood
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 Brentwood.
Stamford Transportation Center
Bridgeport
New Rochelle station
Yonkers station
Flight Path Map
This map shows the direct air route between Babylon and Smithtown. Straight-line distance: 12.86 mi (20.7 km).
#1 Babylon
A town in Suffolk County, New York.
| Population | 218,223 |
| Coordinates | 40.6956600, -73.3256800 |
| Altitude | 2 |
| 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: 28 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 34m |
| 40 mph (64.37 km/h) | 00h 25m |
| 50 mph (80.47 km/h) | 00h 20m |
| 60 mph (96.56 km/h) | 00h 17m |
| 70 mph (112.65 km/h) | 00h 14m |
| 80 mph (129 km/h) | 00h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $2.45 | $4.89 |
| Mid-grade | $4.48 | $2.73 | $5.47 |
| Premium | $4.86 | $2.97 | $5.93 |
| Diesel | $4.69 | $2.86 | $5.73 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.