How far is Darby, PA from Bethlehem, PA?

The driving distance from Darby, PA to Bethlehem, PA is about 68.7 miles (110.5 km), with a travel time of about 01h 26m by car.

  • The straight-line flight distance is about 49.2 miles (79.2 km).
  • For a round trip, plan for roughly 02h 52m 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
68.64 mi
01h 26m
Flight
49.23 mi
79.23 km direct

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

Learn Distance

Choose another destination from Darby.

Flight Distance

Direct air line
49.23 mi
Kilometers
79.23 km
Flight Time
00h 05m

Driving Distance

Road route
68.64 mi
Kilometers
110.46 km
Drive Time
01h 26m

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 01h 26m.

Arrival Snapshot
Arrive in Bethlehem
Wed, Apr 22, 11:56 PM EDT
Return by in Darby
Thu, Apr 23, 1:22 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Darby
2026-04-22T22:30
Arrive Bethlehem
Wed, Apr 22, 11:56 PM EDT
Route Timing
01h 26m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:26 AM to 11:26 AM EDT

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

Leave by
3:38 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Darby
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
Kulpsville
PA

Census designated place

From Darby
29.5 mi
00h 43m
To Bethlehem
39.1 mi
00h 43m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Wednesday

Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 mph SW
Destination
65°F
Wednesday

Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 mph SW

Driving Route Map

The map below follows the saved road route between Darby and Bethlehem.

Turn-by-Turn Driving Directions

Step-by-step road directions between Darby and Bethlehem.

  1. 1

    Start on Ridge Avenue

    14 m · 4 sec · Ridge Avenue

  2. 2

    Turn right onto Main Street

    1.3 km · 3 min · Main Street

  3. 3

    Continue on South Lansdowne Avenue

    3.3 mi · 9 min · South Lansdowne Avenue

  4. 4

    Continue on Darby Road

    144 m · 14 sec · Darby Road

  5. 5

    Turn slight left onto West Chester Pike

    2.2 mi · 5 min · West Chester Pike

  6. 6

    Take the exit slight right toward I 476 North: Plymouth Meeting

    2005 ft · 58 sec

  7. 7

    Merge slight left onto Mid-County Expressway

    10.8 mi · 15 min · Mid-County Expressway

  8. 8

    Continue on Pennsylvania Turnpike Northeast Extension

    24.3 mi · 26 min · Pennsylvania Turnpike Northeast Extension

  9. 9

    Take the exit slight right toward PA 663: Pottstown, Quakertown

    2465 ft · 2 min

  10. 10

    Keep slight left to continue on PA 663 North: Quakertown

    69 m · 8 sec

  11. 11

    Turn left onto John Fries Highway

    2.7 mi · 4 min · John Fries Highway

  12. 12

    Turn left onto Portzer Road

    2300 ft · 1 min · Portzer Road

  13. 13

    Exit the roundabout onto Portzer Road

    2098 ft · 59 sec · Portzer Road

  14. 14

    At the end of the road, turn right onto West Pumping Station Road

    2337 ft · 1 min · West Pumping Station Road

  15. 15

    Turn left

    5.1 mi · 8 min

  16. 16

    Take the exit slight right

    128 m · 11 sec

  17. 17

    Continue straight

    5.6 mi · 10 min

  18. 18

    Turn right onto Broadway

    1658 ft · 41 sec · Broadway

  19. 19

    Turn right onto West 3rd Street

    897 ft · 38 sec · West 3rd Street

  20. 20

    Turn left onto Fahy Bridge

    1910 ft · 42 sec · Fahy Bridge

  21. 21

    Turn right onto Center Street

    1.2 km · 2 min · Center Street

  22. 22

    Turn right onto East Goepp Street

    1342 ft · 50 sec · East Goepp Street

  23. 23

    Turn right onto Linden Street

    17 m · 1 sec · Linden Street

  24. 24

    Arrive at your destination

    0 m · 1 sec · Linden Street

Car Route Details

A richer read on the saved driving route between Darby and Bethlehem.

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
24 steps
14 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
35 / 100 mi
Decision points by distance
Main Roads
Pennsylvania Turnpike Northeast Extension
24.3 mi · 35%
Mid-County Expressway
10.8 mi · 16%
West Pumping Station Road
6.13 mi · 9%
South Lansdowne Avenue
3.26 mi · 5%
John Fries Highway
2.67 mi · 4%
West Chester Pike
2.24 mi · 3%
Longest Stretch

Pennsylvania Turnpike Northeast Extension

Continue on Pennsylvania Turnpike Northeast Extension

24.3 mi · 00h 26m

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
01h 26m
Day trip friendly
Same-Day Return
02h 52m
Round-trip wheel time
Road vs Air
+19.5 mi
49.2 mi direct line
Halfway Stop
Kulpsville
00h 43m from Darby
Leave By
3:38 PM EDT
Morning start is best
Weather Watch

Chance Rain Showers leaving Darby and Chance Rain Showers near Bethlehem.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Darby to Bethlehem?

The road trip is about 68.7 miles (110.5 km) and usually takes 01h 26m 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?

Kulpsville is a useful midpoint, sitting about 29.5 miles from Darby and 39.1 miles from Bethlehem.

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

The direct path is about 49.2 miles (79.2 km), while the road route adds roughly 19.5 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 3:38 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $9.89 one way or $19.78 round trip. Estimated CO2 is about 21.5 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Darby and Chance Rain Showers near Bethlehem.

Stop Ideas Near Kulpsville

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

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

RAIL

Paoli

26 mi away
13 Lancaster Ave.
RAIL

Ardmore

27 mi away
Station Road and Lancaster Ave.
RAIL

North Philadelphia station

31 mi away
2900 North Broad St.
RAIL

Exton

35 mi away
425 Walkertown Road

Flight Path Map

This map shows the direct air route between Darby and Bethlehem. Straight-line distance: 49.23 mi (79.23 km).

Darby

#1 Darby

Borough in Delaware County, Pennsylvania, United States

Population10,704
Coordinates39.9184500, -75.2590700
Altitude15
CountryUnited States
Bethlehem

#2 Bethlehem

The second most populous city in Northampton County, Pennsylvania.

Population74,892
Coordinates40.6259300, -75.3704600
Altitude109
CountryUnited States
Start: Ridge Avenue (-75.259117, 39.918427)
End: Linden Street (-75.370434, 40.625929)

Estimated Travel Time

Distance: 110 km by road

SpeedTime
30 mph (48.3 km/h)02h 17m
40 mph (64.37 km/h)01h 42m
50 mph (80.47 km/h)01h 22m
60 mph (96.56 km/h)01h 08m
70 mph (112.65 km/h)00h 58m
80 mph (129 km/h)00h 51m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.42 gal
9.17 L · about $9.89
Round trip
$19.78
4.84 gal · 18.34 L
Estimated CO2
21.5 kg one way
Round trip: 43 kg / 95 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $9.89 $19.78
Mid-grade $4.60 $11.13 $22.26
Premium $4.95 $11.99 $23.98
Diesel $5.98 $14.47 $28.94

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 23, 2026

There is no time difference between Darby and Bethlehem. The current time is 22:30:21.

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.