How far is Allentown, PA from Somerset, NJ?
The driving distance from Allentown, PA to Somerset, NJ is about 69 miles (111 km), with a travel time of about 01h 28m by car.
- The straight-line flight distance is about 53.1 miles (85.5 km).
- For a round trip, plan for roughly 02h 57m 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 01h 28m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Borough in Hunterdon County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Mostly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Allentown and Somerset.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allentown and Somerset.
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1
Start on Tilghman Street
765 ft · 22 sec · Tilghman Street
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2
Turn left onto North 15th Street
1.1 mi · 2 min · North 15th Street
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3
Continue on Ward Street
1760 ft · 35 sec · Ward Street
-
4
Continue on South Jefferson Street
1.2 km · 1 min · South Jefferson Street
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5
Keep slight right to continue on South Jefferson Street
559 ft · 11 sec · South Jefferson Street
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6
Turn slight right onto Lehigh Street
1.6 km · 2 min · Lehigh Street
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7
Take the exit slight right toward I 78 East, PA 309 South: Bethlehem, Quakertown
1717 ft · 42 sec
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8
Merge slight left
49.9 mi · 59 min
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9
Take the exit slight right toward I 287: Morristown, Somerville
2692 ft · 35 sec · Ramp to I-287
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10
Keep slight right to continue on I 287 South: Somerville
1.3 km · 54 sec
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11
Merge slight left
9.9 mi · 11 min
-
12
Take the exit slight right toward CR 527: Easton Avenue, South Bound Brook, New Brunswick
1238 ft · 30 sec
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13
Turn straight onto Easton Avenue
2.6 mi · 5 min · Easton Avenue
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14
Turn straight
83 m · 11 sec
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15
Turn right onto Foxwood Drive
2731 ft · 2 min · Foxwood Drive
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16
At the end of the road, turn left onto Winston Drive
1387 ft · 1 min · Winston Drive
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17
Turn right onto Kingsbridge Road
124 m · 21 sec · Kingsbridge Road
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18
Turn left onto Indiana Road
127 m · 20 sec · Indiana Road
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19
Turn right onto Concord Drive
939 ft · 46 sec · Concord Drive
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20
At the end of the road, turn left onto Abbott Road
22 m · 6 sec · Abbott Road
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21
Turn right onto West Point Avenue
717 ft · 32 sec · West Point Avenue
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22
Arrive at your destination
0 m · 1 sec · West Point Avenue
Car Route Details
A richer read on the saved driving route between Allentown and Somerset.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 78 East
Merge slight left
49.9 mi · 00h 59m
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.
Slight Chance Rain Showers leaving Allentown and Mostly Sunny then Slight Chance Rain Showers near Somerset.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allentown to Somerset?
The road trip is about 69 miles (111 km) and usually takes 01h 28m 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?
Bloomsbury is a useful midpoint, sitting about 34.4 miles from Allentown and 34.5 miles from Somerset.
How much longer is the road route than the straight-line distance?
The direct path is about 53.1 miles (85.5 km), while the road route adds roughly 15.9 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 3:32 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.85 one way or $21.69 round trip. Estimated CO2 is about 21.6 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Allentown and Mostly Sunny then Slight Chance Rain Showers near Somerset.
Stop Ideas Near Bloomsbury
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bloomsbury.
Princeton Junction station
Trenton Transit Center
New Brunswick station
Metropark station
Flight Path Map
This map shows the direct air route between Allentown and Somerset. Straight-line distance: 53.14 mi (85.52 km).
#1 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
#2 Somerset
This large community in Somerset County, New Jersey, is situated at an elevation of 92 feet.
| Population | 965,424 |
| Coordinates | 40.4976000, -74.4884900 |
| Altitude | 28 |
| Country | United States |
End: Somerset (-74.48849, 40.4976)
Estimated Travel Time
Distance: 111 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 17m |
| 40 mph (64.37 km/h) | 01h 43m |
| 50 mph (80.47 km/h) | 01h 22m |
| 60 mph (96.56 km/h) | 01h 08m |
| 70 mph (112.65 km/h) | 00h 59m |
| 80 mph (129 km/h) | 00h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.46 | $10.85 | $21.69 |
| Mid-grade | $4.92 | $11.95 | $23.91 |
| Premium | $5.30 | $12.88 | $25.76 |
| Diesel | $6.54 | $15.90 | $31.79 |
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 Pennsylvania · Oct 13, 2026