How far is Caln, PA from Allentown, PA?
The driving distance from Caln, PA to Allentown, PA is about 74.7 miles (120.2 km), with a travel time of about 01h 16m by car.
- The straight-line flight distance is about 45.3 miles (72.9 km).
- For a round trip, plan for roughly 02h 33m 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 16m.
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 in Pennsylvania, USA
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 Caln and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Caln and Allentown.
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1
Start on Seltzer Avenue
69 m · 16 sec · Seltzer Avenue
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2
Turn left onto Lincoln Highway
2.9 mi · 6 min · Lincoln Highway
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3
Continue on West Lancaster Avenue
1.4 mi · 4 min · West Lancaster Avenue
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4
Turn left onto Wallace Avenue
3071 ft · 2 min · Wallace Avenue
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5
Continue on Creek Road
1.4 mi · 2 min · Creek Road
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6
Turn right onto Dowlin Forge Road
2107 ft · 54 sec · Dowlin Forge Road
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7
Continue on Shelmire Road
1.4 km · 2 min · Shelmire Road
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8
At the end of the road, turn right onto Dorlan Mill Road
1 km · 1 min · Dorlan Mill Road
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9
Turn left onto Moore Road
1.1 mi · 2 min · Moore Road
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10
At the end of the road, turn right onto Park Road
1.2 km · 2 min · Park Road
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11
Turn left onto Pottstown Pike
20.2 mi · 32 min · Pottstown Pike
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12
Continue straight
891 ft · 17 sec
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13
Continue straight
14.6 mi · 25 min
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14
Turn left onto South Cedar Crest Boulevard
5.2 mi · 9 min · South Cedar Crest Boulevard
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15
Turn right onto Tilghman Street
2.1 mi · 3 min · Tilghman Street
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16
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Caln and Allentown.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Pottstown Pike
Turn left onto Pottstown Pike
20.2 mi · 00h 32m
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 Caln 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 Caln to Allentown?
The road trip is about 74.7 miles (120.2 km) and usually takes 01h 16m 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?
Halfway House is a useful midpoint, sitting about 26.2 miles from Caln and 48.5 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 45.3 miles (72.9 km), while the road route adds roughly 29.4 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 3:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.75 one way or $21.49 round trip. Estimated CO2 is about 23.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Caln and Chance Rain Showers near Allentown.
Stop Ideas Near Halfway House
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 Halfway House.
Exton
Paoli
Downingtown
Coatesville
Flight Path Map
This map shows the direct air route between Caln and Allentown. Straight-line distance: 45.32 mi (72.93 km).
#1 Caln
Census-designated place in Chester County, Pennsylvania
| Population | 14,089 |
| Coordinates | 39.9909400, -75.7802200 |
| Altitude | 100 |
| 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: 120 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 29m |
| 40 mph (64.37 km/h) | 01h 51m |
| 50 mph (80.47 km/h) | 01h 29m |
| 60 mph (96.56 km/h) | 01h 14m |
| 70 mph (112.65 km/h) | 01h 03m |
| 80 mph (129 km/h) | 00h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $10.75 | $21.49 |
| Mid-grade | $4.60 | $12.10 | $24.19 |
| Premium | $4.95 | $13.03 | $26.06 |
| Diesel | $5.98 | $15.73 | $31.45 |
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.