How far is Boalsburg, PA from Allentown, PA?

The driving distance from Boalsburg, PA to Allentown, PA is about 158.9 miles (255.8 km), with a travel time of about 02h 40m by car.

  • The straight-line flight distance is about 121.2 miles (195 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
158.97 mi
02h 40m
Flight
121.16 mi
194.99 km direct

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

Learn Distance

Choose another destination from Boalsburg.

Flight Distance

Direct air line
121.16 mi
Kilometers
194.99 km
Flight Time
00h 14m

Driving Distance

Road route
158.97 mi
Kilometers
255.83 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
Mon, May 18, 2:17 PM EDT
Return by in Boalsburg
Mon, May 18, 4:57 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Boalsburg
2026-05-18T11:36
Arrive Allentown
Mon, May 18, 2:17 PM 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 Boalsburg
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
Harrisburg
PA

The capital of Pennsylvania.

From Boalsburg
79.1 mi
01h 20m
To Allentown
79.9 mi
01h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
88°F
Monday

Sunny

Starts
Mon, May 18 6:00 AM EDT
Wind
1 to 8 mph S
Destination
93°F
Monday

Sunny

Starts
Mon, May 18 6:00 AM EDT
Wind
0 to 5 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East Main Street

    1377 ft · 50 sec · East Main Street

  2. 2

    Turn right onto Boal Avenue

    3.5 mi · 6 min · Boal Avenue

  3. 3

    Continue on General Potter Highway

    75.6 mi · 1 hr 35 min · General Potter Highway

  4. 4

    Take the exit slight right toward I 81 North, US 322 East, I 81 South: Hershey, Hazleton, Carlisle

    968 ft · 21 sec

  5. 5

    Keep slight left to continue on I 81 North, US 322 East: Hershey, Hazleton

    1.4 km · 2 min

  6. 6

    Merge slight left onto American Legion Memorial Highway

    1.8 mi · 2 min · American Legion Memorial Highway

  7. 7

    Keep slight left to continue on American Legion Memorial Highway

    19.1 mi · 23 min · American Legion Memorial Highway

  8. 8

    Take the exit slight right toward I 78 East: Allentown

    1.1 km · 45 sec

  9. 9

    Continue on 78th Division Highway

    7.6 mi · 9 min · 78th Division Highway

  10. 10

    Continue on William Penn Highway

    42.8 mi · 51 min · William Penn Highway

  11. 11

    Keep slight right to continue on Lehigh Valley Thruway

    1.5 km · 1 min · Lehigh Valley Thruway

  12. 12

    Take the exit slight right toward Cetronia

    1053 ft · 27 sec

  13. 13

    Turn straight onto Tilghman Street

    4.9 mi · 8 min · Tilghman Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · Tilghman Street

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
14 steps
2 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
8.8 / 100 mi
Decision points by distance
Main Roads
General Potter Highway
75.6 mi · 48%
William Penn Highway
42.8 mi · 27%
American Legion Memorial Highway
20.9 mi · 13%
78th Division Highway
7.61 mi · 5%
Tilghman Street
4.95 mi · 3%
Boal Avenue
3.48 mi · 2%
Longest Stretch

General Potter Highway

Continue on General Potter Highway

75.6 mi · 01h 35m

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
+37.7 mi
121.2 mi direct line
Halfway Stop
Harrisburg
01h 20m from Boalsburg
Leave By
1:10 PM EDT
Morning start is best
Weather Watch

Sunny leaving Boalsburg and Sunny near Allentown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 158.9 miles (255.8 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?

Harrisburg is a useful midpoint, sitting about 79.1 miles from Boalsburg and 79.9 miles from Allentown.

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

The direct path is about 121.2 miles (195 km), while the road route adds roughly 37.7 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 $22.92 one way or $45.84 round trip. Estimated CO2 is about 49.9 kg one way.

What should you check before leaving?

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

Stop Ideas Near Harrisburg

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

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

RAIL

Harrisburg Transportation Center

1 mi away
4th and Chestnut Streets
RAIL

Middletown

16 mi away
Union Street and Mill Street
RAIL

Elizabethtown station

27 mi away
South Wilson Avenue at West High Street
RAIL

Mount Joy

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

Flight Path Map

This map shows the direct air route between Boalsburg and Allentown. Straight-line distance: 121.16 mi (194.99 km).

Boalsburg

#1 Boalsburg

Census designated place

Population3,722
Coordinates40.7756200, -77.7925000
Altitude337
CountryUnited States
Allentown

#2 Allentown

The third most populous city in Pennsylvania.

Population121,470
Coordinates40.6084300, -75.4901800
Altitude103
CountryUnited States
Start: East Main Street (-77.792524, 40.775685)
End: Tilghman Street (-75.490007, 40.608068)

Estimated Travel Time

Distance: 256 km by road

SpeedTime
30 mph (48.3 km/h)05h 17m
40 mph (64.37 km/h)03h 58m
50 mph (80.47 km/h)03h 10m
60 mph (96.56 km/h)02h 38m
70 mph (112.65 km/h)02h 16m
80 mph (129 km/h)01h 58m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.61 gal
21.23 L · about $22.92
Round trip
$45.84
11.22 gal · 42.46 L
Estimated CO2
49.9 kg one way
Round trip: 99.7 kg / 220 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $22.92 $45.84
Mid-grade $4.60 $25.80 $51.60
Premium $4.95 $27.79 $55.58
Diesel $5.98 $33.55 $67.10

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 · May 18, 2026

There is no time difference between Boalsburg and Allentown. The current time is 11:36:59.

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.