How far is Allentown, PA from Thorndale, PA?
The driving distance from Allentown, PA to Thorndale, PA is about 51.9 miles (83.5 km), with a travel time of about 01h 26m by car.
- The straight-line flight distance is about 44.6 miles (71.8 km).
- For a round trip, plan for roughly 02h 53m 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 26m.
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.
Township in Berks County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Allentown and Thorndale.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allentown and Thorndale.
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1
Start on Tilghman Street
2.1 mi · 3 min · Tilghman Street
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2
Turn left onto North Cedar Crest Boulevard
5.2 mi · 9 min · North Cedar Crest Boulevard
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3
Turn right onto Chestnut Street
10.9 mi · 19 min · Chestnut Street
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4
Continue on Route 100
26.4 mi · 42 min · Route 100
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5
Turn right onto West Uwchlan Avenue
3.3 mi · 6 min · West Uwchlan Avenue
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6
Take the ramp slight right toward US 30 West, US 30 Business Alternate Truck West: Coatesville, Lancaster
994 ft · 24 sec
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7
Merge slight left onto Coatesville-Downingtown Bypass
2.6 mi · 3 min · Coatesville-Downingtown Bypass
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8
Take the exit slight right toward PA 340: Thorndale
666 ft · 24 sec
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9
Turn left onto Bondsville Road
1.4 km · 2 min · Bondsville Road
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10
Continue on Marshallton-Thorndale Road
1160 ft · 32 sec · Marshallton-Thorndale Road
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11
Arrive at your destination
0 m · 1 sec · Marshallton-Thorndale Road
Car Route Details
A richer read on the saved driving route between Allentown and Thorndale.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Route 100
Continue on Route 100
26.4 mi · 00h 42m
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 Thorndale.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allentown to Thorndale?
The road trip is about 51.9 miles (83.5 km) and usually takes 01h 26m 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?
Colebrookdale is a useful midpoint, sitting about 26 miles from Allentown and 25.9 miles from Thorndale.
How much longer is the road route than the straight-line distance?
The direct path is about 44.6 miles (71.8 km), while the road route adds roughly 7.3 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 3:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.48 one way or $14.95 round trip. Estimated CO2 is about 16.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Allentown and Sunny near Thorndale.
Stop Ideas Near Colebrookdale
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 Colebrookdale.
Exton
Paoli
Downingtown
Coatesville
Flight Path Map
This map shows the direct air route between Allentown and Thorndale. Straight-line distance: 44.6 mi (71.78 km).
#1 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
#2 Thorndale
City in Chester County, Pennsylvania, United States
| Population | 3,407 |
| Coordinates | 39.9928800, -75.7452200 |
| Altitude | 105 |
| Country | United States |
End: Thorndale (-75.74522, 39.99288)
Estimated Travel Time
Distance: 84 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 43m |
| 40 mph (64.37 km/h) | 01h 17m |
| 50 mph (80.47 km/h) | 01h 02m |
| 60 mph (96.56 km/h) | 00h 51m |
| 70 mph (112.65 km/h) | 00h 44m |
| 80 mph (129 km/h) | 00h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $7.48 | $14.95 |
| Mid-grade | $4.60 | $8.42 | $16.83 |
| Premium | $4.95 | $9.07 | $18.13 |
| Diesel | $5.98 | $10.94 | $21.89 |
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.