How far is Fairfield, PA from Allentown, PA?
The driving distance from Fairfield, PA to Allentown, PA is about 129.9 miles (209 km), with a travel time of about 02h 20m by car.
- The straight-line flight distance is about 114.2 miles (183.8 km).
- For a round trip, plan for roughly 04h 40m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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.
This route works well as a day trip with time at the destination.
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 02h 20m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Fairfield and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fairfield and Allentown.
-
1
Start on East Main Street
1991 ft · 40 sec · East Main Street
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2
Continue on Fairfield Road
6.7 mi · 12 min · Fairfield Road
-
3
Continue on West Middle Street
1.2 mi · 3 min · West Middle Street
-
4
Turn left onto Liberty Street
134 m · 15 sec · Liberty Street
-
5
Turn right onto Hanover Street
2446 ft · 43 sec · Hanover Street
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6
Continue on Hanover Road
1.2 mi · 2 min · Hanover Road
-
7
Take the ramp left
1586 ft · 40 sec
-
8
Merge slight left
27 mi · 35 min
-
9
Continue straight
5.1 mi · 7 min
-
10
Take the exit slight right toward PA 581 East: Harrisburg, York
2218 ft · 58 sec
-
11
Merge slight left onto American Ex-Prisoners of War Memorial Highway
1.5 mi · 2 min · American Ex-Prisoners of War Memorial Highway
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12
Continue on American Ex-Prisoners of War Memorial Highway
1383 ft · 22 sec · American Ex-Prisoners of War Memorial Highway
-
13
Merge slight left
4.6 mi · 6 min
-
14
Take the exit slight left toward I 83 North, US 322 West: Hazleton, State College
4 mi · 6 min
-
15
Take the exit slight right toward I 81 North: Hazleton, Allentown
3087 ft · 48 sec
-
16
Merge slight left onto American Legion Memorial Highway
18.3 mi · 22 min · American Legion Memorial Highway
-
17
Take the exit slight right toward I 78 East: Allentown
1.1 km · 45 sec
-
18
Continue on 78th Division Highway
7.6 mi · 9 min · 78th Division Highway
-
19
Continue on William Penn Highway
42.8 mi · 51 min · William Penn Highway
-
20
Keep slight right to continue on Lehigh Valley Thruway
1.5 km · 1 min · Lehigh Valley Thruway
-
21
Take the exit slight right toward Cetronia
1053 ft · 27 sec
-
22
Turn straight onto Tilghman Street
4.9 mi · 8 min · Tilghman Street
-
23
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Fairfield and Allentown.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
William Penn Highway
Continue on William Penn Highway
42.8 mi · 00h 51m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Fairfield and Slight Chance Rain Showers near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fairfield to Allentown?
The road trip is about 129.9 miles (209 km) and usually takes 02h 20m 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?
East Hanover is a useful midpoint, sitting about 64.6 miles from Fairfield and 65.3 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 114.2 miles (183.8 km), while the road route adds roughly 15.7 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 EST. If you want a more comfortable same-day return, try to leave by 1:50 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.22 one way or $40.43 round trip. Estimated CO2 is about 40.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Fairfield and Slight Chance Rain Showers near Allentown.
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 Fairfield and Allentown. Straight-line distance: 114.21 mi (183.81 km).
#1 Fairfield
Borough in Pennsylvania, United States
| Population | 516 |
| Coordinates | 39.7873200, -77.3686000 |
| Altitude | 183 |
| Country | United States |
#2 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
End: Tilghman Street (-75.490007, 40.608068)
Estimated Travel Time
Distance: 209 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 19m |
| 40 mph (64.37 km/h) | 03h 14m |
| 50 mph (80.47 km/h) | 02h 35m |
| 60 mph (96.56 km/h) | 02h 09m |
| 70 mph (112.65 km/h) | 01h 51m |
| 80 mph (129 km/h) | 01h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.41 | $20.22 | $40.43 |
| Mid-grade | $4.83 | $22.13 | $44.26 |
| Premium | $5.28 | $24.20 | $48.39 |
| Diesel | $6.59 | $30.17 | $60.35 |
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 · Nov 05, 2026