How far is Allentown, PA from Durham, PA?

The driving distance from Allentown, PA to Durham, PA is about 18 miles (28.9 km), with a travel time of about 00h 32m by car.

  • The straight-line flight distance is about 14.2 miles (22.8 km).
  • For a round trip, plan for roughly 01h 04m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
17.97 mi
00h 32m
Flight
14.19 mi
22.83 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Allentown.

Flight Distance

Direct air line
14.19 mi
Kilometers
22.83 km
Flight Time
00h 01m

Driving Distance

Road route
17.97 mi
Kilometers
28.92 km
Drive Time
00h 32m

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 00h 32m.

Arrival Snapshot
Arrive in Durham
Wed, May 20, 3:46 PM EDT
Return by in Allentown
Wed, May 20, 4:19 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Allentown
2026-05-20T15:14
Arrive Durham
Wed, May 20, 3:46 PM EDT
Route Timing
00h 32m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:32 AM to 7:32 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:26 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Allentown
10:00 PM EDT
Flexible departure

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
Hellertown
PA

Borough in Pennsylvania, United States of America

From Allentown
8.9 mi
00h 16m
To Durham
9 mi
00h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
90°F
Wednesday

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Wed, May 20 6:00 AM EDT
Wind
5 to 15 mph W
Destination
90°F
Wednesday

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Wed, May 20 6:00 AM EDT
Wind
5 to 10 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Tilghman Street

    1.2 km · 1 min · Tilghman Street

  2. 2

    Turn right onto North 7th Street

    1.5 km · 2 min · North 7th Street

  3. 3

    Turn left onto West Union Street

    87 m · 5 sec · West Union Street

  4. 4

    Turn right onto Lehigh Street

    1957 ft · 37 sec · Lehigh Street

  5. 5

    Continue on South 6th Street

    1293 ft · 26 sec · South 6th Street

  6. 6

    Continue on West Wyoming Street

    147 m · 12 sec · West Wyoming Street

  7. 7

    Turn right onto South 5th Street

    135 m · 8 sec · South 5th Street

  8. 8

    Continue on West Susquehanna Street

    2.7 mi · 5 min · West Susquehanna Street

  9. 9

    Keep slight right to continue on Seidersville Road

    1.9 mi · 4 min · Seidersville Road

  10. 10

    Continue on Hickory Hill Road

    1 mi · 2 min · Hickory Hill Road

  11. 11

    Continue on Friedensville Road

    1380 ft · 29 sec · Friedensville Road

  12. 12

    Turn slight right onto Meadows Road

    2835 ft · 1 min · Meadows Road

  13. 13

    Continue on Meadows Road

    529 ft · 13 sec · Meadows Road

  14. 14

    Continue on Skibo Road

    1910 ft · 47 sec · Skibo Road

  15. 15

    Continue on Walnut Street

    985 ft · 41 sec · Walnut Street

  16. 16

    Turn right onto Main Street

    2740 ft · 59 sec · Main Street

  17. 17

    Continue on Leithsville Road

    2.6 mi · 4 min · Leithsville Road

  18. 18

    Keep slight left to continue on Hellertown Road

    3190 ft · 56 sec · Hellertown Road

  19. 19

    At the end of the road, turn left onto Main Street

    1.5 mi · 2 min · Main Street

  20. 20

    Continue on Durham Road

    3 mi · 5 min · Durham Road

  21. 21

    Continue on Durham Road

    732 ft · 32 sec · Durham Road

  22. 22

    Keep slight right to continue on Old Furnace Road

    16 m · 2 sec · Old Furnace Road

  23. 23

    Arrive at your destination

    0 m · 1 sec · Old Furnace Road

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
23 steps
7 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
127.8 / 100 mi
Decision points by distance
Main Roads
Durham Road
3.13 mi · 17%
West Susquehanna Street
2.67 mi · 15%
Leithsville Road
2.6 mi · 14%
Main Street
2.05 mi · 11%
Seidersville Road
1.88 mi · 10%
Hickory Hill Road
1.05 mi · 6%
Longest Stretch

Durham Road

Continue on Durham Road

2.99 mi · 00h 05m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 32m
Quick drive
Same-Day Return
01h 04m
Round-trip wheel time
Road vs Air
+3.8 mi
14.2 mi direct line
Halfway Stop
Hellertown
00h 16m from Allentown
Leave By
7:26 PM EDT
Flexible departure
Weather Watch

Mostly Sunny then Chance Showers And Thunderstorms leaving Allentown and Mostly Sunny then Chance Showers And Thunderstorms near Durham.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 18 miles (28.9 km) and usually takes 00h 32m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Hellertown is a useful midpoint, sitting about 8.9 miles from Allentown and 9 miles from Durham.

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

The direct path is about 14.2 miles (22.8 km), while the road route adds roughly 3.8 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:26 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.57 one way or $5.15 round trip. Estimated CO2 is about 5.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Allentown and Mostly Sunny then Chance Showers And Thunderstorms near Durham.

Stop Ideas Near Hellertown

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

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

RAIL

Paoli

61 mi away
13 Lancaster Ave.
BUS

White Haven, PA

63 mi away
I-476, Exit 95/I-80, Exit 277, at Hwy 940
RAIL

Trenton Transit Center

64 mi away
72 South Clinton Avenue
RAIL

Ardmore

64 mi away
Station Road and Lancaster Ave.

Flight Path Map

This map shows the direct air route between Allentown and Durham. Straight-line distance: 14.19 mi (22.83 km).

Allentown

#1 Allentown

The third most populous city in Pennsylvania.

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

#2 Durham

City in United States of America

Population1,134
Coordinates40.5756600, -75.2232300
Altitude70
CountryUnited States
Start: Allentown (-75.49018, 40.60843)
End: Durham (-75.22323, 40.57566)

Estimated Travel Time

Distance: 29 km by road

SpeedTime
30 mph (48.3 km/h)00h 35m
40 mph (64.37 km/h)00h 26m
50 mph (80.47 km/h)00h 21m
60 mph (96.56 km/h)00h 17m
70 mph (112.65 km/h)00h 15m
80 mph (129 km/h)00h 13m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.63 gal
2.4 L · about $2.57
Round trip
$5.15
1.26 gal · 4.8 L
Estimated CO2
5.6 kg one way
Round trip: 11.2 kg / 25 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $2.57 $5.15
Mid-grade $4.60 $2.90 $5.79
Premium $4.95 $3.12 $6.24
Diesel $5.98 $3.77 $7.53

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 20, 2026

There is no time difference between Allentown and Durham. The current time is 15:14:15.

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.