How far is Allentown, PA from Darby, PA?
The driving distance from Allentown, PA to Darby, PA is about 60.6 miles (97.5 km), with a travel time of about 01h 22m by car.
- The straight-line flight distance is about 49.2 miles (79.2 km).
- For a round trip, plan for roughly 02h 44m 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 22m.
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
The map below follows the saved road route between Allentown and Darby.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allentown and Darby.
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1
Start on Tilghman Street
4.5 mi · 7 min · Tilghman Street
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2
Take the ramp straight toward I 476, PATP
1969 ft · 1 min
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3
Keep slight right to continue on I 476 South: Philadelphia
1895 ft · 47 sec
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4
Merge slight left onto Pennsylvania Turnpike Northeast Extension
36.9 mi · 40 min · Pennsylvania Turnpike Northeast Extension
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5
Continue on Pennsylvania Turnpike Northeast Extension
1558 ft · 24 sec · Pennsylvania Turnpike Northeast Extension
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6
Keep slight left to continue on Pennsylvania Turnpike Northeast Extension
1179 ft · 18 sec · Pennsylvania Turnpike Northeast Extension
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7
Continue on Mid-County Expressway
10.8 mi · 15 min · Mid-County Expressway
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8
Take the exit slight right toward PA 3: Upper Darby, Broomall
1670 ft · 59 sec
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9
Turn left onto West Chester Pike
2.5 mi · 5 min · West Chester Pike
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10
Turn slight right onto Darby Road
144 m · 14 sec · Darby Road
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11
Continue on Lansdowne Avenue
3.3 mi · 9 min · Lansdowne Avenue
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12
Continue on Main Street
1.3 km · 3 min · Main Street
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13
Turn left onto Ridge Avenue
14 m · 2 sec · Ridge Avenue
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14
Arrive at your destination
0 m · 1 sec · Ridge Avenue
Car Route Details
A richer read on the saved driving route between Allentown and Darby.
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
Merge slight left onto Pennsylvania Turnpike Northeast Extension
36.9 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.
Sunny leaving Allentown and Sunny near Darby.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allentown to Darby?
The road trip is about 60.6 miles (97.5 km) and usually takes 01h 22m 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 30.3 miles from Allentown and 30.3 miles from Darby.
How much longer is the road route than the straight-line distance?
The direct path is about 49.2 miles (79.2 km), while the road route adds roughly 11.4 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 3:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.74 one way or $17.49 round trip. Estimated CO2 is about 19 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Allentown and Sunny near Darby.
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 Darby. Straight-line distance: 49.21 mi (79.19 km).
#1 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
#2 Darby
Borough in Delaware County, Pennsylvania, United States
| Population | 10,704 |
| Coordinates | 39.9184500, -75.2590700 |
| Altitude | 15 |
| Country | United States |
End: Darby (-75.25907, 39.91845)
Estimated Travel Time
Distance: 97 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 01m |
| 40 mph (64.37 km/h) | 01h 30m |
| 50 mph (80.47 km/h) | 01h 12m |
| 60 mph (96.56 km/h) | 01h 00m |
| 70 mph (112.65 km/h) | 00h 51m |
| 80 mph (129 km/h) | 00h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $8.74 | $17.49 |
| Mid-grade | $4.60 | $9.84 | $19.68 |
| Premium | $4.95 | $10.60 | $21.20 |
| Diesel | $5.98 | $12.80 | $25.59 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.