How far is Allentown, PA from Derry, PA?

The driving distance from Allentown, PA to Derry, PA is about 231 miles (371.8 km), with a travel time of about 05h 00m by car.

  • The straight-line flight distance is about 201.1 miles (323.7 km).
  • For a round trip, plan for roughly 10h 01m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EST.
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
231.06 mi
05h 00m
Flight
201.12 mi
323.67 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
201.12 mi
Kilometers
323.67 km
Flight Time
00h 24m

Driving Distance

Road route
231.06 mi
Kilometers
371.85 km
Drive Time
05h 00m

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 00m.

Arrival Snapshot
Arrive in Derry
Sat, Nov 7, 6:10 AM EST
Return by in Allentown
Sat, Nov 7, 11:11 AM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Allentown
2026-11-07T01:09
Arrive Derry
Sat, Nov 7, 6:10 AM EST
Route Timing
05h 00m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EST
Leave early for more breathing room
Arrive between
11:01 AM to 1:01 PM EST

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

Leave by
6:58 AM EST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Allentown
9:00 PM EST
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
Washington
PA

City in Pennsylvania

From Allentown
115.1 mi
02h 30m
To Derry
115.9 mi
02h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
61°F
Saturday

Chance Light Rain

Starts
Sat, Nov 7 6:00 AM EST
Wind
5 to 10 mph W
Destination
49°F
Saturday

Slight Chance Snow Showers then Chance Rain Showers

Starts
Sat, Nov 7 6:00 AM EST
Wind
9 to 21 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    43.1 mi · 52 min · William Penn Highway

  5. 5

    Continue on 78th Division Highway

    7.6 mi · 9 min · 78th Division Highway

  6. 6

    Keep slight left to continue on I 81 South: Harrisburg

    1.1 km · 49 sec

  7. 7

    Merge slight left

    36.6 mi · 44 min

  8. 8

    Take the exit slight right toward US 11: New Kingstown, Middlesex

    1419 ft · 49 sec

  9. 9

    Keep slight right to continue on US 11 South

    61 m · 8 sec

  10. 10

    Merge slight left onto Harrisburg Pike

    1.6 km · 2 min · Harrisburg Pike

  11. 11

    Take the exit straight toward I 76, PATP

    2453 ft · 1 min

  12. 12

    Keep slight right to continue on I 76 West: Pittsburgh

    1304 ft · 37 sec

  13. 13

    Merge slight left onto Pennsylvania Turnpike

    81.1 mi · 1 hr 29 min · Pennsylvania Turnpike

  14. 14

    Take the exit slight right toward Altoona, Johnstown

    1522 ft · 37 sec

  15. 15

    Turn slight right onto Bedford

    51 m · 5 sec

  16. 16

    Turn straight onto Business 220

    1435 ft · 40 sec · Business 220

  17. 17

    Turn right onto Weber Lane

    1.6 km · 4 min · Weber Lane

  18. 18

    Turn left onto Country Ridge Road

    1421 ft · 52 sec · Country Ridge Road

  19. 19

    Turn right onto Lincoln Highway

    6 mi · 8 min · Lincoln Highway

  20. 20

    Continue on Pitt Street

    1.2 km · 2 min · Pitt Street

  21. 21

    Continue on Lincoln Highway

    25.2 mi · 37 min · Lincoln Highway

  22. 22

    Continue on Pitt Street

    1.3 mi · 3 min · Pitt Street

  23. 23

    Continue on Lincoln Highway

    13.1 mi · 22 min · Lincoln Highway

  24. 24

    Turn right

    759 ft · 15 sec

  25. 25

    Turn slight left onto Matson Road

    1.7 mi · 4 min · Matson Road

  26. 26

    Continue on Ridge Road

    1.4 mi · 3 min · Ridge Road

  27. 27

    Continue on Derry Ridge Road

    122 m · 11 sec · Derry Ridge Road

  28. 28

    Continue on Rod & Gun Road

    2 mi · 5 min · Rod & Gun Road

  29. 29

    Continue on Y Street

    2323 ft · 1 min · Y Street

  30. 30

    Turn right onto West 2nd Avenue

    113 m · 22 sec · West 2nd Avenue

  31. 31

    Turn left onto South Chestnut Street

    115 m · 19 sec · South Chestnut Street

  32. 32

    Turn right onto East 1st Avenue

    75 m · 11 sec · East 1st Avenue

  33. 33

    Arrive at your destination

    0 m · 1 sec · East 1st Avenue

Car Route Details

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

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
33 steps
11 turns on the saved route
Ramps & Exits
9
5 merges, 4 ramps or exits
Navigation Density
14.3 / 100 mi
Decision points by distance
Main Roads
Pennsylvania Turnpike
81.1 mi · 35%
Lincoln Highway
44.4 mi · 19%
William Penn Highway
43.1 mi · 19%
I 81 South
37.3 mi · 16%
78th Division Highway
7.59 mi · 3%
Tilghman Street
4.99 mi · 2%
Longest Stretch

Pennsylvania Turnpike

Merge slight left onto Pennsylvania Turnpike

81.1 mi · 01h 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 00m
Long day trip
Same-Day Return
10h 02m
Round-trip wheel time
Road vs Air
+29.9 mi
201.1 mi direct line
Halfway Stop
Washington
02h 30m from Allentown
Leave By
6:58 AM EST
Early departure recommended
Weather Watch

Chance Light Rain leaving Allentown and Slight Chance Snow Showers then Chance Rain Showers near Derry.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 231 miles (371.8 km) and usually takes 05h 00m 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?

Washington is a useful midpoint, sitting about 115.1 miles from Allentown and 115.9 miles from Derry.

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

The direct path is about 201.1 miles (323.7 km), while the road route adds roughly 29.9 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 EST. If you want a more comfortable same-day return, try to leave by 6:58 AM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $35.88 one way or $71.75 round trip. Estimated CO2 is about 72.4 kg one way.

What should you check before leaving?

Before you leave, expect Chance Light Rain around Allentown and Slight Chance Snow Showers then Chance Rain Showers near Derry.

Stop Ideas Near Washington

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

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

RAIL

Lewistown

44 mi away
150 Helen Street
RAIL

Harrisburg Transportation Center

51 mi away
4th and Chestnut Streets
RAIL

Huntingdon

55 mi away
Fourth and Allegheny Sts.
RAIL

Middletown

63 mi away
Union Street and Mill Street

Flight Path Map

This map shows the direct air route between Allentown and Derry. Straight-line distance: 201.12 mi (323.67 km).

Allentown

#1 Allentown

The third most populous city in Pennsylvania.

Population121,470
Coordinates40.6084300, -75.4901800
Altitude103
CountryUnited States
Photo coming soon

#2 Derry

Situated in the foothills of the Chestnut Ridge within southwestern Pennsylvania, this borough is positioned in eastern Westmoreland County.

Population0
Coordinates40.3339600, -79.2997600
Altitude360
CountryUnited States
Start: Allentown (-75.49018, 40.60843)
End: Derry (-79.29976, 40.33396)

Estimated Travel Time

Distance: 372 km by road

SpeedTime
30 mph (48.3 km/h)07h 41m
40 mph (64.37 km/h)05h 46m
50 mph (80.47 km/h)04h 37m
60 mph (96.56 km/h)03h 51m
70 mph (112.65 km/h)03h 18m
80 mph (129 km/h)02h 52m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.15 gal
30.86 L · about $35.88
Round trip
$71.75
16.3 gal · 61.72 L
Estimated CO2
72.4 kg one way
Round trip: 144.9 kg / 319 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.40 $35.88 $71.75
Mid-grade $4.82 $39.31 $78.61
Premium $5.27 $42.98 $85.97
Diesel $6.58 $53.64 $107.29

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 · Nov 06, 2026

There is no time difference between Allentown and Derry. The current time is 01:09:45.

Distance to Other Cities

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