How far is Colwyn, PA from Allentown, PA?
The driving distance from Colwyn, PA to Allentown, PA is about 72.4 miles (116.5 km), with a travel time of about 01h 19m by car.
- The straight-line flight distance is about 49.7 miles (80 km).
- For a round trip, plan for roughly 02h 39m 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 19m.
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.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Colwyn and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Colwyn and Allentown.
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1
Start on Pine Street
28 m · 6 sec · Pine Street
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2
Turn right onto South 4th Street
1777 ft · 1 min · South 4th Street
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3
Turn left onto Main Street
1.2 mi · 4 min · Main Street
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4
Continue on South Lansdowne Avenue
3.3 mi · 9 min · South Lansdowne Avenue
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5
Continue on Darby Road
144 m · 14 sec · Darby Road
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6
Turn slight left onto West Chester Pike
2.2 mi · 5 min · West Chester Pike
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7
Take the exit slight right toward I 476 North: Plymouth Meeting
2005 ft · 59 sec
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8
Merge slight left onto Mid-County Expressway
10.6 mi · 14 min · Mid-County Expressway
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9
Turn slight left onto Mid-County Expressway
885 ft · 14 sec · Mid-County Expressway
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10
Continue on Pennsylvania Turnpike Northeast Extension
37.5 mi · 40 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 Colwyn 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
Continue on Pennsylvania Turnpike Northeast Extension
37.5 mi · 00h 40m
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 Colwyn and 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 Colwyn to Allentown?
The road trip is about 72.4 miles (116.5 km) and usually takes 01h 19m 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?
Harleysville is a useful midpoint, sitting about 30.9 miles from Colwyn and 41.5 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 49.7 miles (80 km), while the road route adds roughly 22.7 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 3:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.42 one way or $20.84 round trip. Estimated CO2 is about 22.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Colwyn and Chance Rain Showers near Allentown.
Stop Ideas Near Harleysville
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 Harleysville.
Paoli
Ardmore
Exton
North Philadelphia station
Flight Path Map
This map shows the direct air route between Colwyn and Allentown. Straight-line distance: 49.68 mi (79.96 km).
#1 Colwyn
Borough of Pennsylvania
| Population | 2,551 |
| Coordinates | 39.9123400, -75.2537900 |
| Altitude | 17 |
| 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: 117 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 24m |
| 40 mph (64.37 km/h) | 01h 48m |
| 50 mph (80.47 km/h) | 01h 26m |
| 60 mph (96.56 km/h) | 01h 12m |
| 70 mph (112.65 km/h) | 01h 02m |
| 80 mph (129 km/h) | 00h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $10.42 | $20.84 |
| Mid-grade | $4.60 | $11.73 | $23.45 |
| Premium | $4.95 | $12.63 | $25.27 |
| Diesel | $5.98 | $15.25 | $30.50 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.