How far is Decatur, PA from Bethlehem, PA?

The driving distance from Decatur, PA to Bethlehem, PA is about 151.1 miles (243.2 km), with a travel time of about 02h 37m by car.

  • The straight-line flight distance is about 109.3 miles (175.9 km).
  • For a round trip, plan for roughly 05h 14m 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
151.13 mi
02h 37m
Flight
109.3 mi
175.9 km direct

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

Learn Distance

Choose another destination from Decatur.

Flight Distance

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

Driving Distance

Road route
151.13 mi
Kilometers
243.22 km
Drive Time
02h 37m

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 02h 37m.

Arrival Snapshot
Arrive in Bethlehem
Thu, Apr 23, 1:36 AM EDT
Return by in Decatur
Thu, Apr 23, 4:13 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Decatur
2026-04-22T22:59
Arrive Bethlehem
Thu, Apr 23, 1:36 AM EDT
Route Timing
02h 37m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:37 AM to 12:37 PM EDT

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

Leave by
1:16 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Decatur
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
Atlas
PA

Census-designated place in Northumberland County, Pennsylvania

From Decatur
68.8 mi
01h 18m
To Bethlehem
82.4 mi
01h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
69°F
Wednesday

Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
1 to 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 Decatur and Bethlehem.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Old Stage Road

    1.3 km · 2 min · Old Stage Road

  2. 2

    Turn left onto Alfarata Road

    2.1 mi · 5 min · Alfarata Road

  3. 3

    Turn left

    24 mi · 27 min

  4. 4

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

    10.4 mi · 12 min · South Main Street

  5. 5

    Turn left onto Susquehanna Trail

    3271 ft · 1 min · Susquehanna Trail

  6. 6

    Continue on North Susquehanna Trail

    2.7 mi · 5 min · North Susquehanna Trail

  7. 7

    Take the exit slight right toward PA 61 South: Sunbury

    1533 ft · 44 sec

  8. 8

    Continue straight

    1.5 mi · 2 min

  9. 9

    Turn right onto Market Street

    1.4 mi · 2 min · Market Street

  10. 10

    Continue on State Street

    10 mi · 12 min · State Street

  11. 11

    Turn left

    2.3 mi · 4 min

  12. 12

    Turn right onto South Market Street

    1.5 mi · 2 min · South Market Street

  13. 13

    Continue on State Route 54

    11.1 mi · 13 min · State Route 54

  14. 14

    Continue on Locust Gap Highway

    1897 ft · 42 sec · Locust Gap Highway

  15. 15

    Continue on Fairgrounds Road

    2.2 mi · 2 min · Fairgrounds Road

  16. 16

    Continue on Sunbury Road

    9.4 mi · 11 min · Sunbury Road

  17. 17

    Continue on Sunbury Street

    1.2 km · 1 min · Sunbury Street

  18. 18

    Turn right onto Pottsville Minersville Highway

    1.8 mi · 2 min · Pottsville Minersville Highway

  19. 19

    Turn right onto Gordon Nagle Trail

    4 mi · 7 min · Gordon Nagle Trail

  20. 20

    Continue on North Sillyman Street

    1281 ft · 33 sec · North Sillyman Street

  21. 21

    Turn left onto Pottsville Street

    1.1 km · 2 min · Pottsville Street

  22. 22

    Turn right onto Route 61 South

    150 m · 6 sec · Route 61 South

  23. 23

    Continue on Center Avenue

    10.6 mi · 13 min · Center Avenue

  24. 24

    Continue on Centre Street

    2.7 mi · 4 min · Centre Street

  25. 25

    Take the exit slight right toward I 78 East, US 22 East: Allentown

    1423 ft · 41 sec

  26. 26

    Merge slight left onto William Penn Highway

    21.6 mi · 27 min · William Penn Highway

  27. 27

    Keep slight right to continue on Lehigh Valley Thruway

    10.3 mi · 14 min · Lehigh Valley Thruway

  28. 28

    Take the exit slight right toward PA 378 South: Bethlehem, Schoenersville Road

    1072 ft · 26 sec

  29. 29

    Keep slight right to continue on PA 378 South: Bethlehem

    1149 ft · 22 sec

  30. 30

    Continue on Bethlehem Spur Route

    1.8 mi · 2 min · Bethlehem Spur Route

  31. 31

    Take the exit slight right toward Eighth Avenue

    1208 ft · 33 sec

  32. 32

    Turn right onto 8th Avenue

    620 ft · 22 sec · 8th Avenue

  33. 33

    Turn left onto West Union Boulevard

    1 mi · 2 min · West Union Boulevard

  34. 34

    Turn left onto Center Street

    129 m · 11 sec · Center Street

  35. 35

    Turn right onto East Goepp Street

    1342 ft · 50 sec · East Goepp Street

  36. 36

    Turn right onto Linden Street

    17 m · 1 sec · Linden Street

  37. 37

    Arrive at your destination

    0 m · 1 sec · Linden Street

Car Route Details

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

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
37 steps
16 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
24.5 / 100 mi
Decision points by distance
Main Roads
William Penn Highway
21.6 mi · 14%
State Route 54
11.1 mi · 7%
Center Avenue
10.6 mi · 7%
South Main Street
10.4 mi · 7%
Lehigh Valley Thruway
10.3 mi · 7%
State Street
10 mi · 7%
Longest Stretch

Longest stretch

Turn left

24 mi · 00h 27m

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
02h 37m
Day trip friendly
Same-Day Return
05h 14m
Round-trip wheel time
Road vs Air
+41.8 mi
109.3 mi direct line
Halfway Stop
Atlas
01h 18m from Decatur
Leave By
1:16 PM EDT
Morning start is best
Weather Watch

Chance Rain Showers leaving Decatur 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 Decatur to Bethlehem?

The road trip is about 151.1 miles (243.2 km) and usually takes 02h 37m 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?

Atlas is a useful midpoint, sitting about 68.8 miles from Decatur and 82.4 miles from Bethlehem.

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 41.8 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:16 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $21.78 one way or $43.56 round trip. Estimated CO2 is about 47.4 kg one way.

What should you check before leaving?

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

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 Decatur and Bethlehem. Straight-line distance: 109.3 mi (175.9 km).

Decatur

#1 Decatur

Township in Mifflin County, Pennsylvania

Population3,070
Coordinates40.6942400, -77.4538800
Altitude207
CountryUnited States
Bethlehem

#2 Bethlehem

The second most populous city in Northampton County, Pennsylvania.

Population74,892
Coordinates40.6259300, -75.3704600
Altitude109
CountryUnited States
Start: North Old Stage Road (-77.453804, 40.694184)
End: Linden Street (-75.370434, 40.625929)

Estimated Travel Time

Distance: 243 km by road

SpeedTime
30 mph (48.3 km/h)05h 02m
40 mph (64.37 km/h)03h 46m
50 mph (80.47 km/h)03h 01m
60 mph (96.56 km/h)02h 31m
70 mph (112.65 km/h)02h 09m
80 mph (129 km/h)01h 53m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.33 gal
20.19 L · about $21.78
Round trip
$43.56
10.66 gal · 40.38 L
Estimated CO2
47.4 kg one way
Round trip: 94.7 kg / 209 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $21.78 $43.56
Mid-grade $4.60 $24.51 $49.03
Premium $4.95 $26.40 $52.81
Diesel $5.98 $31.87 $63.75

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 Decatur and Bethlehem. The current time is 22:59:20.

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.