How far is Allentown, PA from Belfast, PA?
The driving distance from Allentown, PA to Belfast, PA is about 20.6 miles (33.1 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 16.3 miles (26.2 km).
- For a round trip, plan for roughly 00h 58m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
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.
This is an easy same-day return drive.
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 00h 29m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Census-designated place in Pennsylvania, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers
Driving Route Map
The map below follows the saved road route between Allentown and Belfast.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allentown and Belfast.
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1
Start on Tilghman Street
1.9 mi · 3 min · Tilghman Street
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2
Continue on Union Boulevard
1.5 km · 2 min · Union Boulevard
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3
Turn left onto Airport Road
1.3 mi · 2 min · Airport Road
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4
Take the ramp slight right toward US 22 East: Bethlehem
2606 ft · 1 min
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5
Merge slight left onto Lehigh Valley Thruway
7.9 mi · 11 min · Lehigh Valley Thruway
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6
Take the exit slight right toward PA 33 North: Stroudsburg
2728 ft · 1 min
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7
Merge slight left onto PA-33
7.1 mi · 8 min · PA-33
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8
Take the exit slight right toward Belfast
1152 ft · 28 sec
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9
Keep slight right to continue on Belfast
66 m · 5 sec
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10
Turn right onto Henry Road
550 ft · 15 sec · Henry Road
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11
Turn slight right onto Belfast Road
557 ft · 23 sec · Belfast Road
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12
Turn sharp left onto Sullivan Trail
25 m · 2 sec · Sullivan Trail
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13
Arrive at your destination
0 m · 1 sec · Sullivan Trail
Car Route Details
A richer read on the saved driving route between Allentown and Belfast.
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.
Lehigh Valley Thruway
Merge slight left onto Lehigh Valley Thruway
7.88 mi · 00h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Rain Showers Likely leaving Allentown and Rain Showers near Belfast.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allentown to Belfast?
The road trip is about 20.6 miles (33.1 km) and usually takes 00h 29m 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?
Palmer Heights is a useful midpoint, sitting about 10.3 miles from Allentown and 10.3 miles from Belfast.
How much longer is the road route than the straight-line distance?
The direct path is about 16.3 miles (26.2 km), while the road route adds roughly 4.3 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 7:32 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.98 one way or $5.97 round trip. Estimated CO2 is about 6.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Allentown and Rain Showers near Belfast.
Stop Ideas Near Palmer Heights
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 Palmer Heights.
White Haven, PA
Trenton Transit Center
Princeton Junction station
New Brunswick station
Flight Path Map
This map shows the direct air route between Allentown and Belfast. Straight-line distance: 16.29 mi (26.21 km).
#1 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
#2 Belfast
Census-designated place in Pennsylvania, United States of America
| Population | 1,422 |
| Coordinates | 40.7806500, -75.2779600 |
| Altitude | 160 |
| Country | United States |
End: Belfast (-75.27796, 40.78065)
Estimated Travel Time
Distance: 33 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 41m |
| 40 mph (64.37 km/h) | 00h 30m |
| 50 mph (80.47 km/h) | 00h 24m |
| 60 mph (96.56 km/h) | 00h 20m |
| 70 mph (112.65 km/h) | 00h 17m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $2.98 | $5.97 |
| Mid-grade | $4.60 | $3.36 | $6.71 |
| Premium | $4.95 | $3.62 | $7.23 |
| Diesel | $5.98 | $4.37 | $8.73 |
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.