How far is Bethlehem, PA from Decatur, PA?

The driving distance from Bethlehem, PA to Decatur, PA is about 138.8 miles (223.4 km), with a travel time of about 03h 00m by car.

  • The straight-line flight distance is about 109.3 miles (175.9 km).
  • For a round trip, plan for roughly 06h 01m 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
138.79 mi
03h 00m
Flight
109.3 mi
175.9 km direct

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

Learn Distance

Choose another destination from Bethlehem.

Flight Distance

Direct air line
109.3 mi
Kilometers
175.9 km
Flight Time
00h 13m

Driving Distance

Road route
138.79 mi
Kilometers
223.36 km
Drive Time
03h 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 03h 00m.

Arrival Snapshot
Arrive in Decatur
Thu, Apr 23, 7:01 AM EDT
Return by in Bethlehem
Thu, Apr 23, 10:02 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bethlehem
2026-04-23T04:00
Arrive Decatur
Thu, Apr 23, 7:01 AM EDT
Route Timing
03h 00m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:01 AM to 11:01 AM EDT

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

Leave by
10:58 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Bethlehem
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
Atlas
PA

Census-designated place in Northumberland County, Pennsylvania

From Bethlehem
69.3 mi
01h 30m
To Decatur
69.5 mi
01h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph NW
Destination
75°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
3 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Linden Street

    112 m · 13 sec · Linden Street

  2. 2

    Turn right onto East Union Boulevard

    1.3 km · 2 min · East Union Boulevard

  3. 3

    Take the ramp right

    1240 ft · 30 sec

  4. 4

    Merge slight left onto Bethlehem Spur Route

    2.3 mi · 3 min · Bethlehem Spur Route

  5. 5

    Keep slight left to continue on US 22 West: Allentown

    1.3 km · 2 min

  6. 6

    Merge slight left onto Lehigh Valley Thruway

    9.8 mi · 13 min · Lehigh Valley Thruway

  7. 7

    Merge slight left onto William Penn Highway

    21.7 mi · 27 min · William Penn Highway

  8. 8

    Take the exit slight right toward PA 61 North: Pottsville

    869 ft · 25 sec

  9. 9

    Keep slight right to continue on PA 61 North: Pottsville

    1529 ft · 44 sec

  10. 10

    Merge slight left onto Pottsville Pike

    2.4 mi · 3 min · Pottsville Pike

  11. 11

    Continue on Centre Turnpike

    10.6 mi · 13 min · Centre Turnpike

  12. 12

    Continue on Route 61 South

    3 mi · 4 min · Route 61 South

  13. 13

    Continue on Pottsville Boulevard

    1434 ft · 18 sec · Pottsville Boulevard

  14. 14

    Continue on South Claude A. Lord Boulevard

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

  15. 15

    Turn left onto Mauch Chunk Street

    563 ft · 11 sec · Mauch Chunk Street

  16. 16

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

    2134 ft · 39 sec · South Centre Street

  17. 17

    Turn left onto West Market Street

    2.3 mi · 5 min · West Market Street

  18. 18

    Continue on Pottsville Minersville Highway

    1.8 mi · 2 min · Pottsville Minersville Highway

  19. 19

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

    1.2 km · 1 min · East Sunbury Street

  20. 20

    Continue on Sunbury Road

    9.4 mi · 11 min · Sunbury Road

  21. 21

    Continue on Fairgrounds Road

    2.2 mi · 2 min · Fairgrounds Road

  22. 22

    Continue on Locust Gap Highway

    1810 ft · 43 sec · Locust Gap Highway

  23. 23

    Continue on Locust Gap Highway

    11.1 mi · 13 min · Locust Gap Highway

  24. 24

    Continue on South Market Street

    1.5 mi · 2 min · South Market Street

  25. 25

    Turn left onto West Valley Avenue

    2.3 mi · 3 min · West Valley Avenue

  26. 26

    Turn right

    11.4 mi · 13 min

  27. 27

    At the end of the road, turn left onto South Front Street

    1.2 km · 50 sec · South Front Street

  28. 28

    Turn slight left

    1.1 km · 1 min

  29. 29

    Keep slight left to continue on US 11 South, US 15 South: Selinsgrove, Harrisburg

    3076 ft · 2 min

  30. 30

    Merge slight left onto North Susquehanna Trail

    2.8 mi · 6 min · North Susquehanna Trail

  31. 31

    Continue straight

    2095 ft · 49 sec

  32. 32

    Continue straight

    10.5 mi · 12 min

  33. 33

    Turn left onto West Market Street

    24 mi · 27 min · West Market Street

  34. 34

    Turn right onto Alfarata Road

    2.1 mi · 5 min · Alfarata Road

  35. 35

    At the end of the road, turn right onto Old Stage Road

    1.3 km · 2 min · Old Stage Road

  36. 36

    Arrive at your destination

    0 m · 1 sec · Old Stage Road

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
36 steps
13 turns on the saved route
Ramps & Exits
7
5 merges, 2 ramps or exits
Navigation Density
25.9 / 100 mi
Decision points by distance
Main Roads
West Market Street
26.3 mi · 19%
William Penn Highway
21.7 mi · 16%
North Susquehanna Trail
13.7 mi · 10%
Locust Gap Highway
11.5 mi · 8%
Centre Turnpike
10.6 mi · 8%
Lehigh Valley Thruway
9.79 mi · 7%
Longest Stretch

West Market Street

Turn left onto West Market Street

24 mi · 00h 27m

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
03h 00m
Long day trip
Same-Day Return
06h 02m
Round-trip wheel time
Road vs Air
+29.5 mi
109.3 mi direct line
Halfway Stop
Atlas
01h 30m from Bethlehem
Leave By
10:58 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Bethlehem and Sunny near Decatur.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 138.8 miles (223.4 km) and usually takes 03h 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?

Atlas is a useful midpoint, sitting about 69.3 miles from Bethlehem and 69.5 miles from Decatur.

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

The direct path is about 109.3 miles (175.9 km), while the road route adds roughly 29.5 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:58 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.02 one way or $40.04 round trip. Estimated CO2 is about 43.5 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Bethlehem and Sunny near Decatur.

Stop Ideas Near Atlas

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

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

BUS

Wilkes-Barre, PA

67 mi away
47 South Washington Street
BUS

White Haven, PA

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

Harrisburg Transportation Center

71 mi away
4th and Chestnut Streets
RAIL

Middletown

72 mi away
Union Street and Mill Street

Flight Path Map

This map shows the direct air route between Bethlehem and Decatur. Straight-line distance: 109.3 mi (175.9 km).

Bethlehem

#1 Bethlehem

The second most populous city in Northampton County, Pennsylvania.

Population74,892
Coordinates40.6259300, -75.3704600
Altitude109
CountryUnited States
Decatur

#2 Decatur

Township in Mifflin County, Pennsylvania

Population3,070
Coordinates40.6942400, -77.4538800
Altitude207
CountryUnited States
Start: Bethlehem (-75.37046, 40.62593)
End: Decatur (-77.45388, 40.69424)

Estimated Travel Time

Distance: 223 km by road

SpeedTime
30 mph (48.3 km/h)04h 37m
40 mph (64.37 km/h)03h 28m
50 mph (80.47 km/h)02h 46m
60 mph (96.56 km/h)02h 18m
70 mph (112.65 km/h)01h 58m
80 mph (129 km/h)01h 43m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.9 gal
18.54 L · about $20.02
Round trip
$40.04
9.8 gal · 37.08 L
Estimated CO2
43.5 kg one way
Round trip: 87.1 kg / 192 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $20.02 $40.04
Mid-grade $4.60 $22.54 $45.07
Premium $4.95 $24.27 $48.55
Diesel $5.98 $29.30 $58.60

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 Bethlehem and Decatur. The current time is 04:00:16.

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.