How far is Harrisburg, PA from Oakmont, PA?
The driving distance from Harrisburg, PA to Oakmont, PA is about 98.5 miles (158.6 km), with a travel time of about 02h 04m by car.
- The straight-line flight distance is about 85.6 miles (137.8 km).
- For a round trip, plan for roughly 04h 09m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 04m.
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.
Capital and only settlement on the Pitcairn Islands
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Harrisburg and Oakmont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harrisburg and Oakmont.
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1
Start on North 7th Street
27 m · 3 sec · North 7th Street
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2
Enter the roundabout and take exit 3 toward North 7th Street
64 m · 7 sec · North 7th Street
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3
Exit the roundabout onto North 7th Street
2223 ft · 1 min · North 7th Street
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4
Continue on Fisher Plaza
820 ft · 20 sec · Fisher Plaza
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5
Keep slight left to continue on State Street
2769 ft · 1 min · State Street
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6
Turn right onto North 13th Street
1.2 mi · 2 min · North 13th Street
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7
Turn left
1346 ft · 33 sec
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8
Merge slight left
2.4 mi · 3 min
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9
Take the exit slight right toward I 283 South: Harrisburg International Airport, Lancaster
2242 ft · 55 sec
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10
Merge slight left
2.7 mi · 5 min
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11
Keep slight left to continue on I 76 East: Philadelphia
1.1 km · 2 min
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12
Merge slight left onto Pennsylvania Turnpike
78.4 mi · 1 hr 24 min · Pennsylvania Turnpike
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13
Take the exit slight right toward I 76 East: Valley Forge, Philadelphia
3.9 mi · 6 min
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14
Take the exit slight right toward PA 320: Gulph Mills
1696 ft · 41 sec
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15
Keep slight right to continue on PA 320 South: Villanova
104 m · 9 sec
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16
Turn straight onto South Gulph Road
3072 ft · 1 min · South Gulph Road
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17
Continue on West Montgomery Avenue
2.3 mi · 5 min · West Montgomery Avenue
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18
Turn right onto Airdale Road
1775 ft · 1 min · Airdale Road
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19
Turn left onto East Lancaster Avenue
138 m · 18 sec · East Lancaster Avenue
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20
Turn right onto County Line Road
1.3 km · 2 min · County Line Road
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21
Continue on Haverford Road
2 mi · 5 min · Haverford Road
-
22
Turn right onto East Eagle Road
1.1 km · 2 min · East Eagle Road
-
23
Turn left onto Darby Road
1273 ft · 41 sec · Darby Road
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24
Continue on Darby Road
42 m · 10 sec · Darby Road
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25
Continue on Darby Road
121 m · 11 sec · Darby Road
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26
Turn right
45 m · 11 sec
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Harrisburg and Oakmont.
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
78.4 mi · 01h 24m
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 then Slight Chance Rain Showers leaving Harrisburg and Mostly Sunny near Oakmont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harrisburg to Oakmont?
The road trip is about 98.5 miles (158.6 km) and usually takes 02h 04m 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?
Adamstown is a useful midpoint, sitting about 49.2 miles from Harrisburg and 49.3 miles from Oakmont.
How much longer is the road route than the straight-line distance?
The direct path is about 85.6 miles (137.8 km), while the road route adds roughly 12.9 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 EDT. If you want a more comfortable same-day return, try to leave by 2:20 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.22 one way or $28.44 round trip. Estimated CO2 is about 30.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Harrisburg and Mostly Sunny near Oakmont.
Stop Ideas Near Adamstown
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 Adamstown.
Lancaster station
Parkesburg
Coatesville
Downingtown
Flight Path Map
This map shows the direct air route between Harrisburg and Oakmont. Straight-line distance: 85.6 mi (137.76 km).
#1 Harrisburg
The capital of Pennsylvania.
| Population | 49,322 |
| Coordinates | 40.2737000, -76.8844200 |
| Altitude | 101 |
| Country | United States |
#2 Oakmont
Borough in Allegheny County, Pennsylvania, United States
| Population | 6,563 |
| Coordinates | 39.9870600, -75.3079600 |
| Altitude | 98 |
| Country | United States |
End: Oakmont (-75.30796, 39.98706)
Estimated Travel Time
Distance: 159 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 17m |
| 40 mph (64.37 km/h) | 02h 27m |
| 50 mph (80.47 km/h) | 01h 58m |
| 60 mph (96.56 km/h) | 01h 38m |
| 70 mph (112.65 km/h) | 01h 24m |
| 80 mph (129 km/h) | 01h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $14.22 | $28.44 |
| Mid-grade | $4.60 | $16.00 | $32.01 |
| Premium | $4.95 | $17.24 | $34.48 |
| Diesel | $5.98 | $20.81 | $41.62 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.