How far is Forest Hills, PA from Allentown, PA?
The driving distance from Forest Hills, PA to Allentown, PA is about 276.6 miles (445.1 km), with a travel time of about 04h 29m by car.
- The straight-line flight distance is about 229.3 miles (369.1 km).
- For a round trip, plan for roughly 08h 59m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EST.
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 04h 29m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Township in Franklin County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Forest Hills and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Forest Hills and Allentown.
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1
Start on Ardmore Boulevard
6 m · 9 sec · Ardmore Boulevard
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2
Continue on Ardmore Boulevard
1.2 mi · 2 min · Ardmore Boulevard
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3
Continue on Lincoln Highway
2.6 mi · 5 min · Lincoln Highway
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4
Continue on Greensburg Avenue
1093 ft · 31 sec · Greensburg Avenue
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5
Continue on Lincoln Highway
8.4 mi · 16 min · Lincoln Highway
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6
Take the exit straight toward PATP, I 76
988 ft · 24 sec
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7
Continue on PATP, I 76
876 ft · 22 sec
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8
Keep slight right to continue on I 76 East: Harrisburg
1814 ft · 44 sec
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9
Merge slight left onto Pennsylvania Turnpike
159.5 mi · 2 hr 56 min · Pennsylvania Turnpike
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10
Take the exit slight right toward I 81, US 11: Carlisle, Harrisburg
1.4 km · 2 min
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11
Keep slight left to continue on US 11 North: Harrisburg
1712 ft · 55 sec
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12
Continue on Harrisburg Pike
1.1 mi · 2 min · Harrisburg Pike
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13
Take the exit straight toward I 81 North: Harrisburg
1358 ft · 34 sec
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14
Merge slight left
12.7 mi · 15 min
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15
Take the exit slight right toward US 11, US 15: Enola, Marysville
931 ft · 14 sec
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16
Keep slight left to continue on US 11 North, US 15 North: Marysville
1828 ft · 28 sec
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17
Keep slight left
2072 ft · 32 sec
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18
Merge slight left onto George N. Wade Memorial Bridge
1.2 km · 1 min · George N. Wade Memorial Bridge
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19
Continue on American Legion Memorial Highway
3.4 mi · 5 min · American Legion Memorial Highway
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20
Keep slight left to continue on American Legion Memorial Highway
19.1 mi · 23 min · American Legion Memorial Highway
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21
Take the exit slight right toward I 78 East: Allentown
1.1 km · 45 sec
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22
Continue on 78th Division Highway
7.6 mi · 9 min · 78th Division Highway
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23
Continue on William Penn Highway
42.8 mi · 51 min · William Penn Highway
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24
Keep slight right to continue on Lehigh Valley Thruway
1.5 km · 1 min · Lehigh Valley Thruway
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25
Take the exit slight right toward Cetronia
1053 ft · 27 sec
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26
Turn straight onto Tilghman Street
4.9 mi · 8 min · Tilghman Street
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27
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Forest Hills 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.
Pennsylvania Turnpike
Merge slight left onto Pennsylvania Turnpike
160 mi · 02h 56m
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 Cloudy leaving Forest Hills and Chance Light Rain near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Forest Hills to Allentown?
The road trip is about 276.6 miles (445.1 km) and usually takes 04h 29m 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?
Metal is a useful midpoint, sitting about 134.2 miles from Forest Hills and 142.4 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 229.3 miles (369.1 km), while the road route adds roughly 47.3 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 6:00 AM to 8:00 AM EST. If you want a more comfortable same-day return, try to leave by 8:00 AM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.96 one way or $85.93 round trip. Estimated CO2 is about 86.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Forest Hills and Chance Light Rain near Allentown.
Stop Ideas Near Metal
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 Metal.
Hancock, MD
Hagerstown, MD
Huntingdon
Martinsburg station
Flight Path Map
This map shows the direct air route between Forest Hills and Allentown. Straight-line distance: 229.36 mi (369.12 km).
#1 Forest Hills
Situated in Allegheny County, Pennsylvania, within the Pittsburgh metropolitan area, this borough lies at a mean elevation of approximately 961 feet above sea level.
| Population | 0 |
| Coordinates | 40.4197900, -79.8500500 |
| Altitude | 293 |
| 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: 445 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 12m |
| 40 mph (64.37 km/h) | 06h 54m |
| 50 mph (80.47 km/h) | 05h 31m |
| 60 mph (96.56 km/h) | 04h 36m |
| 70 mph (112.65 km/h) | 03h 57m |
| 80 mph (129 km/h) | 03h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.40 | $42.96 | $85.93 |
| Mid-grade | $4.82 | $47.07 | $94.14 |
| Premium | $5.27 | $51.47 | $102.95 |
| Diesel | $6.58 | $64.24 | $128.48 |
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 06, 2026