How far is Thorndale, PA from Allentown, PA?

The driving distance from Thorndale, PA to Allentown, PA is about 73.4 miles (118.1 km), with a travel time of about 01h 17m by car.

  • The straight-line flight distance is about 44.6 miles (71.8 km).
  • For a round trip, plan for roughly 02h 34m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
73.37 mi
01h 17m
Flight
44.6 mi
71.78 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Thorndale.

Flight Distance

Direct air line
44.6 mi
Kilometers
71.78 km
Flight Time
00h 05m

Driving Distance

Road route
73.37 mi
Kilometers
118.08 km
Drive Time
01h 17m

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 17m.

Arrival Snapshot
Arrive in Allentown
Thu, Apr 23, 9:23 AM EDT
Return by in Thorndale
Thu, Apr 23, 10:40 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Thorndale
2026-04-23T08:06
Arrive Allentown
Thu, Apr 23, 9:23 AM EDT
Route Timing
01h 17m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:17 AM to 11:17 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:56 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Thorndale
9:30 PM EDT
Morning start is best

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Colebrookdale
PA

Township in Berks County, Pennsylvania

From Thorndale
25.4 mi
00h 38m
To Allentown
48 mi
00h 38m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph NW
Destination
71°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph NW

Driving Route Map

The map below follows the saved road route between Thorndale and Allentown.

Turn-by-Turn Driving Directions

Step-by-step road directions between Thorndale and Allentown.

  1. 1

    Start on Marshallton-Thorndale Road

    1160 ft · 36 sec · Marshallton-Thorndale Road

  2. 2

    Turn right onto Lincoln Highway

    1 mi · 2 min · Lincoln Highway

  3. 3

    Continue on West Lancaster Avenue

    1.4 mi · 4 min · West Lancaster Avenue

  4. 4

    Turn left onto Wallace Avenue

    3071 ft · 2 min · Wallace Avenue

  5. 5

    Continue on Creek Road

    1.4 mi · 2 min · Creek Road

  6. 6

    Turn right onto Dowlin Forge Road

    2107 ft · 54 sec · Dowlin Forge Road

  7. 7

    Continue on Shelmire Road

    1.4 km · 2 min · Shelmire Road

  8. 8

    At the end of the road, turn right onto Dorlan Mill Road

    1 km · 1 min · Dorlan Mill Road

  9. 9

    Turn left onto Moore Road

    1.1 mi · 2 min · Moore Road

  10. 10

    At the end of the road, turn right onto Park Road

    1.2 km · 2 min · Park Road

  11. 11

    Turn left onto Pottstown Pike

    20.2 mi · 32 min · Pottstown Pike

  12. 12

    Continue straight

    891 ft · 17 sec

  13. 13

    Continue straight

    14.6 mi · 25 min

  14. 14

    Turn left onto South Cedar Crest Boulevard

    5.2 mi · 9 min · South Cedar Crest Boulevard

  15. 15

    Turn right onto Tilghman Street

    2.1 mi · 3 min · Tilghman Street

  16. 16

    Arrive at your destination

    0 m · 1 sec · Tilghman Street

Car Route Details

A richer read on the saved driving route between Thorndale and Allentown.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
16 steps
9 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
21.8 / 100 mi
Decision points by distance
Main Roads
Pottstown Pike
34.9 mi · 48%
South Cedar Crest Boulevard
5.16 mi · 7%
Tilghman Street
2.12 mi · 3%
Creek Road
1.42 mi · 2%
West Lancaster Avenue
1.4 mi · 2%
Moore Road
1.08 mi · 1%
Longest Stretch

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.

Trip Read

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.

Drive Time
01h 17m
Day trip friendly
Same-Day Return
02h 34m
Round-trip wheel time
Road vs Air
+28.8 mi
44.6 mi direct line
Halfway Stop
Colebrookdale
00h 38m from Thorndale
Leave By
3:56 PM EDT
Morning start is best
Weather Watch

Sunny leaving Thorndale and Sunny near Allentown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Thorndale to Allentown?

The road trip is about 73.4 miles (118.1 km) and usually takes 01h 17m 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 25.4 miles from Thorndale and 48 miles from Allentown.

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 28.8 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 $10.58 one way or $21.17 round trip. Estimated CO2 is about 23 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Thorndale and Sunny near Allentown.

Stop Ideas Near Colebrookdale

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Colebrookdale, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Colebrookdale.

RAIL

Exton

32 mi away
425 Walkertown Road
RAIL

Paoli

33 mi away
13 Lancaster Ave.
RAIL

Downingtown

34 mi away
West Lancaster Ave. and Stuart Ave.
RAIL

Coatesville

39 mi away
Third Ave. and Fleetwood St.

Flight Path Map

This map shows the direct air route between Thorndale and Allentown. Straight-line distance: 44.6 mi (71.78 km).

Thorndale

#1 Thorndale

City in Chester County, Pennsylvania, United States

Population3,407
Coordinates39.9928800, -75.7452200
Altitude105
CountryUnited States
Allentown

#2 Allentown

The third most populous city in Pennsylvania.

Population121,470
Coordinates40.6084300, -75.4901800
Altitude103
CountryUnited States
Start: Marshallton Thorndale Road (-75.745391, 39.992865)
End: Tilghman Street (-75.490007, 40.608068)

Estimated Travel Time

Distance: 118 km by road

SpeedTime
30 mph (48.3 km/h)02h 26m
40 mph (64.37 km/h)01h 50m
50 mph (80.47 km/h)01h 28m
60 mph (96.56 km/h)01h 13m
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.

One-way fuel
2.59 gal
9.8 L · about $10.58
Round trip
$21.17
5.18 gal · 19.6 L
Estimated CO2
23 kg one way
Round trip: 46 kg / 101 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $10.58 $21.17
Mid-grade $4.60 $11.91 $23.82
Premium $4.95 $12.83 $25.66
Diesel $5.98 $15.49 $30.98

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

There is no time difference between Thorndale and Allentown. The current time is 08:06:23.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.