How far is Harleysville, PA from Allentown, PA?
The driving distance from Harleysville, PA to Allentown, PA is about 36.6 miles (58.9 km), with a travel time of about 00h 44m by car.
- The straight-line flight distance is about 23.4 miles (37.6 km).
- For a round trip, plan for roughly 01h 28m 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 44m.
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.
Borough of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Harleysville and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harleysville and Allentown.
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1
Start on the route
23 m · 6 sec
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2
Turn slight right onto Maple Avenue
7 m · 4 sec · Maple Avenue
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3
Continue on Maple Avenue
1.2 mi · 3 min · Maple Avenue
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4
Turn right onto Harleysville Pike
1.4 mi · 3 min · Harleysville Pike
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5
Turn left onto Allentown Road
5.4 mi · 10 min · Allentown Road
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6
Continue on Finland Road
1.3 km · 1 min · Finland Road
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7
Continue on Upper Ridge Road
1 mi · 2 min · Upper Ridge Road
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8
Turn right onto Old Woods Road
688 ft · 25 sec · Old Woods Road
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9
Turn left
35 m · 11 sec
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10
Turn right onto Pennsylvania Turnpike Northeast Extension
16.7 mi · 18 min · Pennsylvania Turnpike Northeast Extension
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11
Take the exit slight right toward I 78, US 22, PA 309: Allentown, Harrisburg
1.1 km · 2 min
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12
Turn slight right onto US 22 East: Allentown
975 ft · 29 sec
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13
Merge slight left onto Lehigh Valley Thruway
1762 ft · 27 sec · Lehigh Valley Thruway
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14
Take the exit slight right toward PA 309 South: Quakertown
2245 ft · 55 sec
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15
Merge slight left
2844 ft · 44 sec
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16
Take the exit slight right toward Tilghman Street East
886 ft · 22 sec
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17
Turn straight onto Tilghman Street
3.6 mi · 6 min · Tilghman Street
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18
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Harleysville and Allentown.
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.
Pennsylvania Turnpike Northeast Extension
Turn right onto Pennsylvania Turnpike Northeast Extension
16.7 mi · 00h 18m
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.
Rain Showers Likely leaving Harleysville 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 Harleysville to Allentown?
The road trip is about 36.6 miles (58.9 km) and usually takes 00h 44m 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?
Coopersburg is a useful midpoint, sitting about 16.3 miles from Harleysville and 20.3 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 23.4 miles (37.6 km), while the road route adds roughly 13.2 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 7:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.27 one way or $10.54 round trip. Estimated CO2 is about 11.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Harleysville and Rain Showers Likely near Allentown.
Stop Ideas Near Coopersburg
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 Coopersburg.
Paoli
Ardmore
Exton
Cornwells Heights
Flight Path Map
This map shows the direct air route between Harleysville and Allentown. Straight-line distance: 23.36 mi (37.6 km).
#1 Harleysville
Census designated place
| Population | 9,286 |
| Coordinates | 40.2795500, -75.3871200 |
| Altitude | 79 |
| 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: 59 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 13m |
| 40 mph (64.37 km/h) | 00h 54m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 36m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.27 | $10.54 |
| Mid-grade | $4.60 | $5.93 | $11.87 |
| Premium | $4.95 | $6.39 | $12.78 |
| Diesel | $5.98 | $7.71 | $15.43 |
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.