How far is Bethlehem, PA from Saint Thomas, PA?
The driving distance from Bethlehem, PA to Saint Thomas, PA is about 147.2 miles (236.9 km), with a travel time of about 03h 06m by car.
- The straight-line flight distance is about 137 miles (220.5 km).
- For a round trip, plan for roughly 06h 12m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 06m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Township in western Lebanon County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Bethlehem and Saint Thomas.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bethlehem and Saint Thomas.
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1
Start on Linden Street
112 m · 13 sec · Linden Street
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2
Turn right onto East Union Boulevard
1.3 km · 2 min · East Union Boulevard
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3
Take the ramp right
1240 ft · 30 sec
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4
Merge slight left onto Bethlehem Spur Route
2.3 mi · 3 min · Bethlehem Spur Route
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5
Keep slight left to continue on US 22 West: Allentown
1.3 km · 2 min
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6
Merge slight left onto Lehigh Valley Thruway
9.8 mi · 13 min · Lehigh Valley Thruway
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7
Merge slight left onto William Penn Highway
43.1 mi · 52 min · William Penn Highway
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8
Continue on 78th Division Highway
7.6 mi · 9 min · 78th Division Highway
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9
Keep slight left to continue on I 81 South: Harrisburg
1.1 km · 49 sec
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10
Merge slight left
72.6 mi · 1 hr 28 min
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11
Take the exit slight right toward Lincoln Way
743 ft · 18 sec
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12
Turn right onto Lincoln Way East
1.5 mi · 3 min · Lincoln Way East
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13
Keep slight right to continue on Lincoln Way East
7.4 mi · 13 min · Lincoln Way East
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14
Turn right onto Schoolhouse Road
6 m · 1 sec · Schoolhouse Road
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15
Arrive at your destination
0 m · 1 sec · Schoolhouse Road
Car Route Details
A richer read on the saved driving route between Bethlehem and Saint Thomas.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 81 South
Merge slight left
72.6 mi · 01h 28m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Bethlehem and Mostly Sunny then Chance Rain Showers near Saint Thomas.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bethlehem to Saint Thomas?
The road trip is about 147.2 miles (236.9 km) and usually takes 03h 06m 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?
East Hanover is a useful midpoint, sitting about 73.4 miles from Bethlehem and 73.7 miles from Saint Thomas.
How much longer is the road route than the straight-line distance?
The direct path is about 137 miles (220.5 km), while the road route adds roughly 10.2 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 10:48 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.21 one way or $42.41 round trip. Estimated CO2 is about 46.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Bethlehem and Mostly Sunny then Chance Rain Showers near Saint Thomas.
Stop Ideas Near East Hanover
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to East Hanover.
Middletown
Elizabethtown station
Harrisburg Transportation Center
Mount Joy
Flight Path Map
This map shows the direct air route between Bethlehem and Saint Thomas. Straight-line distance: 136.99 mi (220.47 km).
#1 Bethlehem
The second most populous city in Northampton County, Pennsylvania.
| Population | 74,892 |
| Coordinates | 40.6259300, -75.3704600 |
| Altitude | 109 |
| Country | United States |
#2 Saint Thomas
Township in Franklin County, Pennsylvania
| Population | 6,039 |
| Coordinates | 39.9175900, -77.7977700 |
| Altitude | 197 |
| Country | United States |
End: Saint Thomas (-77.79777, 39.91759)
Estimated Travel Time
Distance: 237 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 54m |
| 40 mph (64.37 km/h) | 03h 40m |
| 50 mph (80.47 km/h) | 02h 56m |
| 60 mph (96.56 km/h) | 02h 27m |
| 70 mph (112.65 km/h) | 02h 06m |
| 80 mph (129 km/h) | 01h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $21.21 | $42.41 |
| Mid-grade | $4.60 | $23.87 | $47.74 |
| Premium | $4.95 | $25.71 | $51.42 |
| Diesel | $5.98 | $31.04 | $62.07 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.