How far is Port Jefferson, NY from Babylon, NY?
The driving distance from Port Jefferson, NY to Babylon, NY is about 30.3 miles (48.8 km), with a travel time of about 00h 42m by car.
- The straight-line flight distance is about 21.9 miles (35.3 km).
- For a round trip, plan for roughly 01h 25m 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 42m.
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 Sunny
Driving Route Map
The map below follows the saved road route between Port Jefferson and Babylon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Jefferson and Babylon.
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1
Start on Main Street
25 m · 11 sec · Main Street
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2
Turn left onto West Broadway
1.4 km · 1 min · West Broadway
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3
Continue on Main Street
1.2 mi · 2 min · Main Street
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4
Continue on Route 25A
1.6 km · 2 min · Route 25A
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5
Continue on North Country Road
1853 ft · 33 sec · North Country Road
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6
Turn left onto Nicolls Road
3.1 mi · 5 min · Nicolls Road
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7
Take the exit right toward Route 347, Nesconset Highway WEST, Hauppauge, Smithtown
124 m · 11 sec
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8
Merge slight left onto Nesconset Highway
1.6 mi · 2 min · Nesconset Highway
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9
Continue on Smithtown Bypass
4.5 mi · 7 min · Smithtown Bypass
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10
Take the exit straight toward Route 111, Islip, Smithtown
116 m · 17 sec
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11
Turn left onto Hauppauge Boulevard
2424 ft · 46 sec · Hauppauge Boulevard
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12
At the end of the road, turn right onto Townline Road
128 m · 9 sec · Townline Road
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13
Keep slight left to continue on Wheeler Road
1.6 mi · 3 min · Wheeler Road
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14
Keep slight right to continue on Joshuas Path
1.5 mi · 2 min · Joshuas Path
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15
Continue on Islip Avenue
2.2 mi · 3 min · Islip Avenue
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16
Take the ramp right toward SO: New York
1109 ft · 27 sec
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17
Merge slight left onto Heckscher State Parkway
3.9 mi · 4 min · Heckscher State Parkway
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18
Continue on Southern State Parkway
694 ft · 9 sec · Southern State Parkway
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19
Keep slight left to continue on Southern State Parkway
2.2 mi · 3 min · Southern State Parkway
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20
Take the exit slight right toward NY 231 South: Babylon
798 ft · 45 sec
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21
Turn right onto Deer Park Avenue
573 ft · 14 sec · Deer Park Avenue
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22
Keep slight left to continue on Babylon-Northport Expressway
2.3 mi · 4 min · Babylon-Northport Expressway
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23
Keep slight right to continue on NY 27A West: Babylon
1112 ft · 38 sec
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24
Turn right onto East Main Street
2194 ft · 54 sec · East Main Street
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25
Turn left onto South Carll Avenue
21 m · 5 sec · South Carll Avenue
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26
Arrive at your destination
0 m · 1 sec · South Carll Avenue
Car Route Details
A richer read on the saved driving route between Port Jefferson 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.
Smithtown Bypass
Continue on Smithtown Bypass
4.47 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.
Mostly Sunny near Port Jefferson.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Jefferson to Babylon?
The road trip is about 30.3 miles (48.8 km) and usually takes 00h 42m 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?
Hauppauge is a useful midpoint, sitting about 14.1 miles from Port Jefferson and 16.3 miles from Babylon.
How much longer is the road route than the straight-line distance?
The direct path is about 21.9 miles (35.3 km), while the road route adds roughly 8.4 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 7:04 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.29 one way or $8.58 round trip. Estimated CO2 is about 9.5 kg one way.
What should you check before leaving?
Before leaving, the latest forecast around Port Jefferson is Mostly Sunny.
Stop Ideas Near Hauppauge
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 Hauppauge.
Stamford Transportation Center
Bridgeport
New Rochelle station
Union Station
Flight Path Map
This map shows the direct air route between Port Jefferson and Babylon. Straight-line distance: 21.91 mi (35.26 km).
#1 Port Jefferson
Incorporated village in the Town of Brookhaven in Suffolk County, New York
| Population | 8,127 |
| Coordinates | 40.9464900, -73.0692700 |
| Altitude | 1 |
| 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: 49 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 00m |
| 40 mph (64.37 km/h) | 00h 45m |
| 50 mph (80.47 km/h) | 00h 36m |
| 60 mph (96.56 km/h) | 00h 30m |
| 70 mph (112.65 km/h) | 00h 25m |
| 80 mph (129 km/h) | 00h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $4.29 | $8.58 |
| Mid-grade | $4.48 | $4.79 | $9.59 |
| Premium | $4.86 | $5.20 | $10.40 |
| Diesel | $4.69 | $5.02 | $10.05 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.