How far is Langhorne, PA from Allentown, PA?
The driving distance from Langhorne, PA to Allentown, PA is about 64.6 miles (104 km), with a travel time of about 01h 07m by car.
- The straight-line flight distance is about 42.3 miles (68.1 km).
- For a round trip, plan for roughly 02h 15m 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 07m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Langhorne and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Langhorne and Allentown.
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1
Start on West Richardson Avenue
700 ft · 25 sec · West Richardson Avenue
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2
Turn left onto Hulmeville Avenue
2531 ft · 1 min · Hulmeville Avenue
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3
At the end of the road, turn right onto Service Road
153 m · 11 sec · Service Road
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4
Take the ramp slight left toward US 1 South
131 m · 11 sec
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5
Merge slight left onto Martin Luther King Jr. Expressway
2.1 mi · 3 min · Martin Luther King Jr. Expressway
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6
Continue on Lincoln Highway
1 mi · 1 min · Lincoln Highway
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7
Take the exit slight right toward I 276 Toll, PATP Toll
1974 ft · 1 min
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8
Keep slight right to continue on I 276 Toll West: Harrisburg, Allentown
872 ft · 27 sec
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9
Merge slight left onto Pennsylvania Turnpike
17.1 mi · 18 min · Pennsylvania Turnpike
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10
Take the exit slight right toward I 476: Chester, Allentown
783 ft · 19 sec
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11
Keep slight right to continue on I 476 North: Allentown
1642 ft · 40 sec
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12
Merge slight left onto Pennsylvania Turnpike Northeast Extension
36.7 mi · 39 min · Pennsylvania Turnpike Northeast Extension
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13
Take the exit slight right toward I 78, US 22, PA 309: Allentown, Harrisburg
1.1 km · 2 min
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14
Turn slight right onto US 22 East: Allentown
975 ft · 28 sec
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15
Merge slight left onto Lehigh Valley Thruway
1762 ft · 27 sec · Lehigh Valley Thruway
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16
Take the exit slight right toward PA 309 South: Quakertown
2245 ft · 55 sec
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17
Merge slight left
2844 ft · 44 sec
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18
Take the exit slight right toward Tilghman Street East
886 ft · 22 sec
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19
Turn straight onto Tilghman Street
3.6 mi · 6 min · Tilghman Street
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20
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Langhorne 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.
Pennsylvania Turnpike Northeast Extension
Merge slight left onto Pennsylvania Turnpike Northeast Extension
36.7 mi · 00h 39m
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.
Rain Showers leaving Langhorne and Rain Showers Likely near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Langhorne to Allentown?
The road trip is about 64.6 miles (104 km) and usually takes 01h 07m 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?
Kulpsville is a useful midpoint, sitting about 32.3 miles from Langhorne and 32.3 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 42.3 miles (68.1 km), while the road route adds roughly 22.3 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 4:14 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.32 one way or $18.63 round trip. Estimated CO2 is about 20.3 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Langhorne and Rain Showers Likely near Allentown.
Stop Ideas Near Kulpsville
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 Kulpsville.
Paoli
Ardmore
North Philadelphia station
Exton
Flight Path Map
This map shows the direct air route between Langhorne and Allentown. Straight-line distance: 42.32 mi (68.1 km).
#1 Langhorne
Borough in Bucks County, Pennsylvania, United States
| Population | 1,507 |
| Coordinates | 40.1745500, -74.9226700 |
| Altitude | 67 |
| 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: Tilghman Street (-75.490007, 40.608068)
Estimated Travel Time
Distance: 104 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 09m |
| 40 mph (64.37 km/h) | 01h 36m |
| 50 mph (80.47 km/h) | 01h 17m |
| 60 mph (96.56 km/h) | 01h 04m |
| 70 mph (112.65 km/h) | 00h 55m |
| 80 mph (129 km/h) | 00h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $9.32 | $18.63 |
| Mid-grade | $4.60 | $10.49 | $20.97 |
| Premium | $4.95 | $11.30 | $22.59 |
| Diesel | $5.98 | $13.63 | $27.27 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.