How far is Allentown, PA from Aldan, PA?
The estimated driving distance from Allentown, PA to Aldan, PA is about 65.7 miles (105.7 km), with a travel time of about 01h 21m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 48.7 miles (78.3 km).
- For a round trip, plan for roughly 02h 43m 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 21m.
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.
Driving Route Map
Road route is being refreshed. This page currently uses an estimated driving distance.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allentown and Aldan.
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.
Sunny leaving Allentown and Sunny near Aldan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allentown to Aldan?
The road trip is about 65.7 miles (105.7 km) and usually takes 01h 21m 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 24.3 miles from Allentown and 41.3 miles from Aldan.
How much longer is the road route than the straight-line distance?
The direct path is about 48.7 miles (78.3 km), while the road route adds roughly 17 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 3:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.48 one way or $18.96 round trip. Estimated CO2 is about 20.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Allentown and Sunny near Aldan.
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 Allentown and Aldan. Straight-line distance: 48.65 mi (78.29 km).
#1 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
#2 Aldan
Borough of Pennsylvania
| Population | 4,149 |
| Coordinates | 39.9215000, -75.2879600 |
| Altitude | 40 |
| Country | United States |
End: Aldan (-75.28796, 39.9215)
Estimated Travel Time
Distance: 106 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 11m |
| 40 mph (64.37 km/h) | 01h 38m |
| 50 mph (80.47 km/h) | 01h 18m |
| 60 mph (96.56 km/h) | 01h 05m |
| 70 mph (112.65 km/h) | 00h 56m |
| 80 mph (129 km/h) | 00h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $9.48 | $18.96 |
| Mid-grade | $4.60 | $10.67 | $21.34 |
| Premium | $4.95 | $11.49 | $22.99 |
| Diesel | $5.98 | $13.87 | $27.75 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
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