How far is Somerset, NJ from Allentown, PA?
The driving distance from Somerset, NJ to Allentown, PA is about 68.4 miles (110 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 56m 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.
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.
Borough in Hunterdon County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Somerset and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerset and Allentown.
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1
Start on West Point Avenue
717 ft · 37 sec · West Point Avenue
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2
Turn left onto Abbott Road
22 m · 5 sec · Abbott Road
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3
Turn right onto Concord Drive
939 ft · 46 sec · Concord Drive
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4
At the end of the road, turn left onto Indiana Road
127 m · 19 sec · Indiana Road
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5
Turn right onto Kingsbridge Road
124 m · 24 sec · Kingsbridge Road
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6
Turn left onto Winston Drive
2947 ft · 2 min · Winston Drive
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7
At the end of the road, turn right onto John F Kennedy Boulevard
2653 ft · 1 min · John F Kennedy Boulevard
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8
At the end of the road, turn left onto Easton Avenue
2.3 mi · 4 min · Easton Avenue
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9
Take the ramp straight toward I 287 North: Morristown, Mahwah
1618 ft · 37 sec
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10
Merge slight left
7.2 mi · 8 min
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11
Keep slight left
2.7 mi · 3 min
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12
Take the exit slight left toward I 78 West: Easton, Pennsylvania
1.4 mi · 2 min
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13
Merge slight right onto Phillipsburg-Newark Expressway
30 mi · 35 min · Phillipsburg-Newark Expressway
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14
Continue on Interstate 78 Toll Bridge
16.6 mi · 20 min · Interstate 78 Toll Bridge
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15
Take the exit slight right toward PA 145 North: South 4th Street
1.1 km · 1 min
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16
Turn straight onto Pike Avenue
1.3 mi · 2 min · Pike Avenue
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17
Continue on South 4th Street
1.5 mi · 2 min · South 4th Street
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18
Turn left onto West Susquehanna Street
760 ft · 13 sec · West Susquehanna Street
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19
Continue on South 5th Street
1731 ft · 29 sec · South 5th Street
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20
Turn left onto West Auburn Street
555 ft · 13 sec · West Auburn Street
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21
Turn right onto Lehigh Street
2094 ft · 43 sec · Lehigh Street
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22
Turn left onto South 6th Street
1.5 km · 2 min · South 6th Street
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23
Turn left onto Tilghman Street
1.4 km · 2 min · Tilghman Street
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24
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Somerset and Allentown.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Phillipsburg-Newark Expressway
Merge slight right onto Phillipsburg-Newark Expressway
30 mi · 00h 35m
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.
Mostly Sunny then Slight Chance Rain Showers leaving Somerset and Slight Chance Rain Showers near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somerset to Allentown?
The road trip is about 68.4 miles (110 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 34.1 miles from Somerset and 34.2 miles from Allentown.
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 15.3 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 3:34 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.39 one way or $20.77 round trip. Estimated CO2 is about 21.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Somerset and Slight Chance Rain Showers near Allentown.
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 Somerset and Allentown. Straight-line distance: 53.14 mi (85.52 km).
#1 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 |
#2 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
End: Allentown (-75.49018, 40.60843)
Estimated Travel Time
Distance: 110 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 16m |
| 40 mph (64.37 km/h) | 01h 42m |
| 50 mph (80.47 km/h) | 01h 21m |
| 60 mph (96.56 km/h) | 01h 08m |
| 70 mph (112.65 km/h) | 00h 58m |
| 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 | $4.31 | $10.39 | $20.77 |
| Mid-grade | $4.88 | $11.77 | $23.53 |
| Premium | $5.18 | $12.47 | $24.94 |
| Diesel | $6.32 | $15.24 | $30.48 |
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 Jersey · Oct 13, 2026