How far is Allentown, PA from Mechanicsburg, PA?
The driving distance from Allentown, PA to Mechanicsburg, PA is about 310.3 miles (499.4 km), with a travel time of about 06h 13m by car.
- The straight-line flight distance is about 257.7 miles (414.8 km).
- For a round trip, plan for roughly 12h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 13m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Borough of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Allentown and Mechanicsburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allentown and Mechanicsburg.
-
1
Start on Tilghman Street
5 mi · 8 min · Tilghman Street
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2
Take the ramp slight left toward US 22 West: Harrisburg
698 ft · 18 sec
-
3
Merge slight left onto Lehigh Valley Thruway
1.1 km · 54 sec · Lehigh Valley Thruway
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4
Merge slight left onto William Penn Highway
43.1 mi · 52 min · William Penn Highway
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5
Continue on 78th Division Highway
7.6 mi · 9 min · 78th Division Highway
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6
Keep slight left to continue on I 81 South: Harrisburg
1.1 km · 49 sec
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7
Merge slight left
36.6 mi · 44 min
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8
Take the exit slight right toward US 11: New Kingstown, Middlesex
1419 ft · 49 sec
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9
Keep slight right to continue on US 11 South
61 m · 8 sec
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10
Merge slight left onto Harrisburg Pike
1.6 km · 2 min · Harrisburg Pike
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11
Take the exit straight toward I 76, PATP
2453 ft · 1 min
-
12
Keep slight right to continue on I 76 West: Pittsburgh
1304 ft · 37 sec
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13
Merge slight left onto Pennsylvania Turnpike
170.5 mi · 3 hr 7 min · Pennsylvania Turnpike
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14
Take the exit slight right toward I 376 West, US 22: Pittsburgh, Monroeville
3142 ft · 3 min
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15
Keep slight left to continue on US 22 Business, I 376 West, US 22 West: Monroeville, Pittsburgh
945 ft · 23 sec
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16
Keep slight right to continue on I 376 West, US 22 West: Pittsburgh
108 m · 9 sec
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17
Merge slight right onto Penn-Lincoln Parkway East
24.4 mi · 34 min · Penn-Lincoln Parkway East
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18
Continue on Airport Parkway
2 mi · 3 min · Airport Parkway
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19
Keep slight left to continue on Airport Expressway
5.4 mi · 6 min · Airport Expressway
-
20
Take the exit slight right toward Clinton
1450 ft · 35 sec
-
21
Keep slight left to continue on Clinton, Raccoon Creek State Park
31 m · 8 sec
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22
Turn left onto Clinton Road
1.1 mi · 2 min · Clinton Road
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23
Turn right onto Lincoln Highway
8.5 mi · 15 min · Lincoln Highway
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24
Turn slight right
76 m · 10 sec
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25
Turn straight onto Frankfort Road
1.5 mi · 3 min · Frankfort Road
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26
Arrive at your destination
0 m · 1 sec · Frankfort Road
Car Route Details
A richer read on the saved driving route between Allentown and Mechanicsburg.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Pennsylvania Turnpike
Merge slight left onto Pennsylvania Turnpike
171 mi · 03h 07m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Allentown and Sunny near Mechanicsburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allentown to Mechanicsburg?
The road trip is about 310.3 miles (499.4 km) and usually takes 06h 13m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Valley-Hi is a useful midpoint, sitting about 154.9 miles from Allentown and 155.4 miles from Mechanicsburg.
How much longer is the road route than the straight-line distance?
The direct path is about 257.7 miles (414.8 km), while the road route adds roughly 52.6 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $44.74 one way or $89.48 round trip. Estimated CO2 is about 97.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Allentown and Sunny near Mechanicsburg.
Stop Ideas Near Valley-Hi
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 Valley-Hi.
Hancock, MD
Huntingdon
Altoona Transportation Center
Hagerstown, MD
Flight Path Map
This map shows the direct air route between Allentown and Mechanicsburg. Straight-line distance: 257.76 mi (414.83 km).
#1 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
#2 Mechanicsburg
Borough in Cumberland County, Pennsylvania, USA
| Population | 9,017 |
| Coordinates | 40.5617300, -80.4028400 |
| Altitude | 367 |
| Country | United States |
End: Mechanicsburg (-80.40284, 40.56173)
Estimated Travel Time
Distance: 499 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 20m |
| 40 mph (64.37 km/h) | 07h 45m |
| 50 mph (80.47 km/h) | 06h 12m |
| 60 mph (96.56 km/h) | 05h 10m |
| 70 mph (112.65 km/h) | 04h 25m |
| 80 mph (129 km/h) | 03h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $44.74 | $89.48 |
| Mid-grade | $4.60 | $50.36 | $100.72 |
| Premium | $4.95 | $54.25 | $108.49 |
| Diesel | $5.98 | $65.48 | $130.96 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.