How far is Allentown, PA from Prospect, PA?

The driving distance from Allentown, PA to Prospect, PA is about 303.2 miles (488 km), with a travel time of about 05h 56m by car.

  • The straight-line flight distance is about 239.3 miles (385.1 km).
  • For a round trip, plan for roughly 11h 52m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
303.25 mi
05h 56m
Flight
239.31 mi
385.14 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Allentown.

Flight Distance

Direct air line
239.31 mi
Kilometers
385.14 km
Flight Time
00h 28m

Driving Distance

Road route
303.25 mi
Kilometers
488.03 km
Drive Time
05h 56m

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 05h 56m.

Arrival Snapshot
Arrive in Prospect
Sat, Apr 18, 4:58 AM EDT
Return by in Allentown
Sat, Apr 18, 10:54 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Allentown
2026-04-17T23:01
Arrive Prospect
Sat, Apr 18, 4:58 AM EDT
Route Timing
05h 56m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
11:56 AM to 1:56 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
5:08 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Allentown
9:00 PM EDT
Early departure recommended

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
Curtin
PA

Township in Centre County, Pennsylvania

From Allentown
151.4 mi
02h 58m
To Prospect
151.9 mi
02h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
79°F
Friday

Chance Rain Showers

Starts
Fri, Apr 17 6:00 AM EDT
Wind
5 to 10 mph W
Destination
74°F
Friday

Chance Rain Showers

Starts
Fri, Apr 17 6:00 AM EDT
Wind
7 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Tilghman Street

    5 mi · 8 min · Tilghman Street

  2. 2

    Take the ramp slight left toward US 22 West: Harrisburg

    698 ft · 18 sec

  3. 3

    Merge slight left onto Lehigh Valley Thruway

    1.1 km · 54 sec · Lehigh Valley Thruway

  4. 4

    Merge slight left onto William Penn Highway

    21.7 mi · 27 min · William Penn Highway

  5. 5

    Take the exit slight right toward PA 61 North: Pottsville

    869 ft · 25 sec

  6. 6

    Keep slight right to continue on PA 61 North: Pottsville

    1529 ft · 44 sec

  7. 7

    Merge slight left onto Pottsville Pike

    2.4 mi · 3 min · Pottsville Pike

  8. 8

    Continue on Centre Turnpike

    10.6 mi · 13 min · Centre Turnpike

  9. 9

    Continue on Route 61 South

    3 mi · 4 min · Route 61 South

  10. 10

    Continue on Pottsville Boulevard

    1434 ft · 18 sec · Pottsville Boulevard

  11. 11

    Continue on South Claude A. Lord Boulevard

    797 ft · 21 sec · South Claude A. Lord Boulevard

  12. 12

    Turn left onto Mauch Chunk Street

    563 ft · 11 sec · Mauch Chunk Street

  13. 13

    At the end of the road, turn right onto South Centre Street

    2134 ft · 39 sec · South Centre Street

  14. 14

    Turn left onto West Market Street

    2.3 mi · 5 min · West Market Street

  15. 15

    Continue on Pottsville Minersville Highway

    1.8 mi · 2 min · Pottsville Minersville Highway

  16. 16

    At the end of the road, turn left onto East Sunbury Street

    1.2 km · 1 min · East Sunbury Street

  17. 17

    Continue on Sunbury Road

    9.4 mi · 11 min · Sunbury Road

  18. 18

    Continue on Fairgrounds Road

    2.2 mi · 2 min · Fairgrounds Road

  19. 19

    Continue on Locust Gap Highway

    1810 ft · 43 sec · Locust Gap Highway

  20. 20

    Continue on Locust Gap Highway

    11.1 mi · 13 min · Locust Gap Highway

  21. 21

    Continue on South Market Street

    9.7 mi · 11 min · South Market Street

  22. 22

    Turn right onto Danville-Riverside Bridge Road

    1799 ft · 46 sec · Danville-Riverside Bridge Road

  23. 23

    Continue on Factory Street

    716 ft · 20 sec · Factory Street

  24. 24

    Continue on Continental Boulevard

    3 mi · 4 min · Continental Boulevard

  25. 25

    Take the exit slight right

    2146 ft · 52 sec

  26. 26

    Merge slight left onto Keystone Shortway

    194.3 mi · 3 hr 29 min · Keystone Shortway

  27. 27

    Take the exit slight right toward PA 8: Barkeyville, Franklin - Oil City Area

    1549 ft · 41 sec

  28. 28

    Turn left onto Pittsburgh Road

    2.3 mi · 4 min · Pittsburgh Road

  29. 29

    Continue on William Flinn Highway

    2.1 mi · 3 min · William Flinn Highway

  30. 30

    Continue on North Main Street

    1.2 mi · 3 min · North Main Street

  31. 31

    Continue on William Flinn Highway

    8.2 mi · 12 min · William Flinn Highway

  32. 32

    Turn right onto Prospect Road

    7.6 mi · 13 min · Prospect Road

  33. 33

    Continue on North Franklin Street

    1.2 km · 2 min · North Franklin Street

  34. 34

    Turn left onto Main Street

    38 m · 3 sec · Main Street

  35. 35

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
35 steps
9 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
11.5 / 100 mi
Decision points by distance
Main Roads
Keystone Shortway
194 mi · 64%
William Penn Highway
21.7 mi · 7%
Locust Gap Highway
11.5 mi · 4%
Centre Turnpike
10.6 mi · 3%
William Flinn Highway
10.3 mi · 3%
South Market Street
9.74 mi · 3%
Longest Stretch

Keystone Shortway

Merge slight left onto Keystone Shortway

194 mi · 03h 29m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 56m
Long day trip
Same-Day Return
11h 52m
Round-trip wheel time
Road vs Air
+63.9 mi
239.3 mi direct line
Halfway Stop
Curtin
02h 58m from Allentown
Leave By
5:08 AM EDT
Early departure recommended
Weather Watch

Chance Rain Showers leaving Allentown and Chance Rain Showers near Prospect.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 303.2 miles (488 km) and usually takes 05h 56m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Curtin is a useful midpoint, sitting about 151.4 miles from Allentown and 151.9 miles from Prospect.

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

The direct path is about 239.3 miles (385.1 km), while the road route adds roughly 63.9 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 5:08 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $43.72 one way or $87.44 round trip. Estimated CO2 is about 95.1 kg one way.

What should you check before leaving?

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

Stop Ideas Near Curtin

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

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

RAIL

Lewistown

45 mi away
150 Helen Street
RAIL

Tyrone

54 mi away
Pennsylvania Ave and West 10th St.
RAIL

Huntingdon

59 mi away
Fourth and Allegheny Sts.
RAIL

Altoona Transportation Center

75 mi away
1231 11th Avenue

Flight Path Map

This map shows the direct air route between Allentown and Prospect. Straight-line distance: 239.31 mi (385.14 km).

Allentown

#1 Allentown

The third most populous city in Pennsylvania.

Population121,470
Coordinates40.6084300, -75.4901800
Altitude103
CountryUnited States
Prospect

#2 Prospect

Township in Butler County, Kansas

Population1,135
Coordinates40.9045100, -80.0464500
Altitude417
CountryUnited States
Start: Allentown (-75.49018, 40.60843)
End: Prospect (-80.04645, 40.90451)

Estimated Travel Time

Distance: 488 km by road

SpeedTime
30 mph (48.3 km/h)10h 06m
40 mph (64.37 km/h)07h 34m
50 mph (80.47 km/h)06h 03m
60 mph (96.56 km/h)05h 03m
70 mph (112.65 km/h)04h 19m
80 mph (129 km/h)03h 46m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.7 gal
40.51 L · about $43.72
Round trip
$87.44
21.4 gal · 81.02 L
Estimated CO2
95.1 kg one way
Round trip: 190.2 kg / 419 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $43.72 $87.44
Mid-grade $4.60 $49.21 $98.42
Premium $4.95 $53.01 $106.02
Diesel $5.98 $63.99 $127.97

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 18, 2026

There is no time difference between Allentown and Prospect. The current time is 23:01:41.

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.