How far is Charlestown, PA from Allentown, PA?

The driving distance from Charlestown, PA to Allentown, PA is about 155.5 miles (250.2 km), with a travel time of about 02h 40m by car.

  • The straight-line flight distance is about 138.9 miles (223.5 km).
  • For a round trip, plan for roughly 05h 20m 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
155.45 mi
02h 40m
Flight
138.9 mi
223.54 km direct

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

Learn Distance

Choose another destination from Charlestown.

Flight Distance

Direct air line
138.9 mi
Kilometers
223.54 km
Flight Time
00h 16m

Driving Distance

Road route
155.45 mi
Kilometers
250.18 km
Drive Time
02h 40m

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 02h 40m.

Arrival Snapshot
Arrive in Allentown
Sun, Apr 19, 8:35 AM EDT
Return by in Charlestown
Sun, Apr 19, 11:16 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Charlestown
2026-04-19T05:55
Arrive Allentown
Sun, Apr 19, 8:35 AM EDT
Route Timing
02h 40m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:40 AM to 12:40 PM EDT

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

Leave by
1:10 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Charlestown
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Colonial Park
PA

Census designated place

From Charlestown
74.9 mi
01h 20m
To Allentown
80.5 mi
01h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
57°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
13 mph NW
Destination
64°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
5 to 15 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Buchanan Trail West

    3119 ft · 1 min · Buchanan Trail West

  2. 2

    Turn sharp right onto Mountain Road

    3.6 mi · 7 min · Mountain Road

  3. 3

    At the end of the road, turn left onto Fort Loudon Road

    1 km · 1 min · Fort Loudon Road

  4. 4

    Turn right onto Lincoln Way West

    12.9 mi · 20 min · Lincoln Way West

  5. 5

    Continue on West Loudon Street

    1.1 km · 1 min · West Loudon Street

  6. 6

    Continue on West Queen Street

    1.1 km · 2 min · West Queen Street

  7. 7

    Merge slight left onto Lincoln Way East

    1.6 km · 2 min · Lincoln Way East

  8. 8

    Turn left

    1069 ft · 26 sec

  9. 9

    Merge slight left

    48.5 mi · 58 min

  10. 10

    Take the exit slight right toward US 11, US 15: Enola, Marysville

    931 ft · 14 sec

  11. 11

    Keep slight left to continue on US 11 North, US 15 North: Marysville

    1828 ft · 28 sec

  12. 12

    Keep slight left

    2072 ft · 32 sec

  13. 13

    Merge slight left onto George N. Wade Memorial Bridge

    1.2 km · 1 min · George N. Wade Memorial Bridge

  14. 14

    Continue on American Legion Memorial Highway

    3.4 mi · 5 min · American Legion Memorial Highway

  15. 15

    Keep slight left to continue on American Legion Memorial Highway

    19.1 mi · 23 min · American Legion Memorial Highway

  16. 16

    Take the exit slight right toward I 78 East: Allentown

    1.1 km · 45 sec

  17. 17

    Continue on 78th Division Highway

    7.6 mi · 9 min · 78th Division Highway

  18. 18

    Continue on William Penn Highway

    42.8 mi · 51 min · William Penn Highway

  19. 19

    Keep slight right to continue on Lehigh Valley Thruway

    1.5 km · 1 min · Lehigh Valley Thruway

  20. 20

    Take the exit slight right toward Cetronia

    1053 ft · 27 sec

  21. 21

    Turn straight onto Tilghman Street

    4.9 mi · 8 min · Tilghman Street

  22. 22

    Arrive at your destination

    0 m · 1 sec · Tilghman Street

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
22 steps
5 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
14.1 / 100 mi
Decision points by distance
Main Roads
Lincoln Way East
49.5 mi · 32%
William Penn Highway
42.8 mi · 28%
American Legion Memorial Highway
22.5 mi · 15%
Lincoln Way West
12.9 mi · 8%
78th Division Highway
7.61 mi · 5%
Tilghman Street
4.95 mi · 3%
Longest Stretch

Lincoln Way East

Merge slight left

48.5 mi · 00h 58m

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
02h 40m
Day trip friendly
Same-Day Return
05h 20m
Round-trip wheel time
Road vs Air
+16.6 mi
138.9 mi direct line
Halfway Stop
Colonial Park
01h 20m from Charlestown
Leave By
1:10 PM EDT
Morning start is best
Weather Watch

Chance Rain Showers leaving Charlestown and Rain Showers Likely near Allentown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 155.5 miles (250.2 km) and usually takes 02h 40m 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?

Colonial Park is a useful midpoint, sitting about 74.9 miles from Charlestown and 80.5 miles from Allentown.

How much longer is the road route than the straight-line distance?

The direct path is about 138.9 miles (223.5 km), while the road route adds roughly 16.6 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 1:10 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.39 one way or $44.78 round trip. Estimated CO2 is about 48.7 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Charlestown and Rain Showers Likely near Allentown.

Stop Ideas Near Colonial Park

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

Mid-route Guidance
Local place coverage is thin around Colonial Park, 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 Colonial Park.

RAIL

Harrisburg Transportation Center

7 mi away
4th and Chestnut Streets
RAIL

Middletown

14 mi away
Union Street and Mill Street
RAIL

Elizabethtown station

24 mi away
South Wilson Avenue at West High Street
RAIL

Mount Joy

34 mi away
East Henry St. and North Market St.

Flight Path Map

This map shows the direct air route between Charlestown and Allentown. Straight-line distance: 138.9 mi (223.54 km).

Charlestown

#1 Charlestown

Township in Chester County, Pennsylvania

Population6,328
Coordinates39.8600900, -77.9344400
Altitude232
CountryUnited States
Allentown

#2 Allentown

The third most populous city in Pennsylvania.

Population121,470
Coordinates40.6084300, -75.4901800
Altitude103
CountryUnited States
Start: Buchanan Trail West (-77.93471, 39.85989)
End: Tilghman Street (-75.490007, 40.608068)

Estimated Travel Time

Distance: 250 km by road

SpeedTime
30 mph (48.3 km/h)05h 10m
40 mph (64.37 km/h)03h 53m
50 mph (80.47 km/h)03h 06m
60 mph (96.56 km/h)02h 35m
70 mph (112.65 km/h)02h 13m
80 mph (129 km/h)01h 56m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.48 gal
20.76 L · about $22.39
Round trip
$44.78
10.96 gal · 41.52 L
Estimated CO2
48.7 kg one way
Round trip: 97.4 kg / 215 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $22.39 $44.78
Mid-grade $4.60 $25.20 $50.41
Premium $4.95 $27.15 $54.30
Diesel $5.98 $32.77 $65.54

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 19, 2026

There is no time difference between Charlestown and Allentown. The current time is 05:55:51.

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.