How far is Smithtown, NY from Babylon, NY?
The driving distance from Smithtown, NY to Babylon, NY is about 17.6 miles (28.4 km), with a travel time of about 00h 26m by car.
- The straight-line flight distance is about 12.9 miles (20.7 km).
- For a round trip, plan for roughly 00h 53m 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 26m.
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 Smithtown and Babylon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithtown and Babylon.
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1
Start on West Main Street
2964 ft · 52 sec · West Main Street
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2
Keep slight left to continue on West Main Street
55 m · 5 sec · West Main Street
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3
Continue on Jericho Turnpike
4 mi · 6 min · Jericho Turnpike
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4
Take the ramp slight right toward SM South: Bay Shore
1110 ft · 27 sec
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5
Merge slight left onto Sunken Meadow State Parkway
1.9 mi · 2 min · Sunken Meadow State Parkway
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6
Continue on Sagtikos State Parkway
5.4 mi · 6 min · Sagtikos State Parkway
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7
Continue on Southern State Parkway
694 ft · 9 sec · Southern State Parkway
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8
Keep slight left to continue on Southern State Parkway
2.2 mi · 3 min · Southern State Parkway
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9
Take the exit slight right toward NY 231 South: Babylon
798 ft · 47 sec
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10
Turn right onto Deer Park Avenue
573 ft · 14 sec · Deer Park Avenue
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11
Keep slight left to continue on Babylon-Northport Expressway
2.3 mi · 4 min · Babylon-Northport Expressway
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12
Keep slight right to continue on NY 27A West: Babylon
1112 ft · 40 sec
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13
Turn right onto East Main Street
2194 ft · 50 sec · East Main Street
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14
Turn left onto South Carll Avenue
21 m · 3 sec · South Carll Avenue
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15
Arrive at your destination
0 m · 1 sec · South Carll Avenue
Car Route Details
A richer read on the saved driving route between Smithtown and Babylon.
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
Continue on Sagtikos State Parkway
5.37 mi · 00h 06m
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 Smithtown and Chance Rain Showers near Babylon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smithtown to Babylon?
The road trip is about 17.6 miles (28.4 km) and usually takes 00h 26m 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 8.8 miles from Smithtown and 8.8 miles from Babylon.
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 4.7 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 7:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.49 one way or $4.97 round trip. Estimated CO2 is about 5.5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Smithtown and Chance Rain Showers near Babylon.
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 Smithtown and Babylon. Straight-line distance: 12.86 mi (20.7 km).
#1 Smithtown
Census-designated place in Suffolk County, New York
| Population | 110,876 |
| Coordinates | 40.8559300, -73.2006700 |
| Altitude | 18 |
| Country | United States |
#2 Babylon
A town in Suffolk County, New York.
| Population | 218,223 |
| Coordinates | 40.6956600, -73.3256800 |
| Altitude | 2 |
| Country | United States |
End: South Carll Avenue (-73.325726, 40.695653)
Estimated Travel Time
Distance: 28 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 35m |
| 40 mph (64.37 km/h) | 00h 26m |
| 50 mph (80.47 km/h) | 00h 21m |
| 60 mph (96.56 km/h) | 00h 17m |
| 70 mph (112.65 km/h) | 00h 15m |
| 80 mph (129 km/h) | 00h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $2.49 | $4.97 |
| Mid-grade | $4.48 | $2.78 | $5.56 |
| Premium | $4.86 | $3.01 | $6.03 |
| Diesel | $4.69 | $2.91 | $5.82 |
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.