How far is North Heidelberg, PA from Allentown, PA?
The driving distance from North Heidelberg, PA to Allentown, PA is about 45.3 miles (72.9 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 36.9 miles (59.4 km).
- For a round trip, plan for roughly 01h 50m 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 00h 55m.
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 of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between North Heidelberg and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between North Heidelberg and Allentown.
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1
Start on Charming Forge Road
1.4 km · 3 min · Charming Forge Road
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2
At the end of the road, turn left onto North Heidelberg Road
2.8 mi · 5 min · North Heidelberg Road
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3
At the end of the road, turn left onto Bernville Road
1.6 km · 2 min · Bernville Road
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4
Turn right onto Shartlesville Road
3.3 mi · 8 min · Shartlesville Road
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5
Continue on Wolf Creek Road
2.4 mi · 5 min · Wolf Creek Road
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6
At the end of the road, turn left onto Old Route 22
663 ft · 20 sec · Old Route 22
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7
Turn right onto Mountain Road
156 m · 11 sec · Mountain Road
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8
Take the ramp right toward I 78 East, US 22 East: Allentown
1160 ft · 28 sec
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9
Merge slight left onto William Penn Highway
28 mi · 34 min · William Penn Highway
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10
Keep slight right to continue on Lehigh Valley Thruway
1.5 km · 1 min · Lehigh Valley Thruway
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11
Take the exit slight right toward Cetronia
1053 ft · 27 sec
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12
Turn straight onto Tilghman Street
4.9 mi · 8 min · Tilghman Street
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13
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between North Heidelberg 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.
William Penn Highway
Merge slight left onto William Penn Highway
28 mi · 00h 34m
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.
Chance Rain Showers leaving North Heidelberg 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 North Heidelberg to Allentown?
The road trip is about 45.3 miles (72.9 km) and usually takes 00h 55m 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?
Lenhartsville is a useful midpoint, sitting about 22.3 miles from North Heidelberg and 23 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 36.9 miles (59.4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.54 one way or $13.08 round trip. Estimated CO2 is about 14.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around North Heidelberg and Rain Showers Likely near Allentown.
Stop Ideas Near Lenhartsville
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 Lenhartsville.
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Downingtown
Exton
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Flight Path Map
This map shows the direct air route between North Heidelberg and Allentown. Straight-line distance: 36.88 mi (59.35 km).
#1 North Heidelberg
Township in Berks County, Pennsylvania
| Population | 1,259 |
| Coordinates | 40.3959300, -76.1341100 |
| Altitude | 135 |
| 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: 73 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 30m |
| 40 mph (64.37 km/h) | 01h 07m |
| 50 mph (80.47 km/h) | 00h 54m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $6.54 | $13.08 |
| Mid-grade | $4.60 | $7.36 | $14.72 |
| Premium | $4.95 | $7.93 | $15.85 |
| Diesel | $5.98 | $9.57 | $19.14 |
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.