How far is State College, PA from Radnor, PA?
The driving distance from State College, PA to Radnor, PA is about 178.8 miles (287.8 km), with a travel time of about 03h 44m by car.
- The straight-line flight distance is about 141.3 miles (227.4 km).
- For a round trip, plan for roughly 07h 29m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 44m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between State College and Radnor.
Turn-by-Turn Driving Directions
Step-by-step road directions between State College and Radnor.
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1
Start on South Allen Street
1.4 km · 3 min · South Allen Street
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2
Turn left onto South Atherton Street
2.5 mi · 5 min · South Atherton Street
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3
Turn right onto Boal Avenue
4.2 mi · 8 min · Boal Avenue
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4
Continue on General Potter Highway
75.6 mi · 1 hr 35 min · General Potter Highway
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5
Take the exit slight right toward I 81 North, US 322 East, I 81 South: Hershey, Hazleton, Carlisle
968 ft · 21 sec
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6
Keep slight left to continue on I 81 North, US 322 East: Hershey, Hazleton
1.4 km · 2 min
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7
Merge slight left onto American Legion Memorial Highway
1.8 mi · 2 min · American Legion Memorial Highway
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8
Keep slight right to continue on I 83 South, US 322 East: Hershey, York
4.3 mi · 6 min
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9
Keep slight left to continue on I 283 South: Harrisburg International Airport
910 ft · 22 sec
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10
Continue straight
2.8 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
Turn right onto West Matsonford Road
1.4 mi · 3 min · West Matsonford Road
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18
Turn left onto Archbishop Carroll Driveway
63 m · 17 sec · Archbishop Carroll Driveway
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19
Turn right
153 m · 37 sec
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20
Turn right
92 m · 22 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between State College and Radnor.
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 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.
Chance Rain Showers then Slight Chance Showers And Thunderstorms leaving State College and Chance Rain Showers near Radnor.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from State College to Radnor?
The road trip is about 178.8 miles (287.8 km) and usually takes 03h 44m 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?
Lawnton is a useful midpoint, sitting about 89.3 miles from State College and 89.5 miles from Radnor.
How much longer is the road route than the straight-line distance?
The direct path is about 141.3 miles (227.4 km), while the road route adds roughly 37.5 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 EDT. If you want a more comfortable same-day return, try to leave by 9:30 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.78 one way or $51.57 round trip. Estimated CO2 is about 56.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Slight Chance Showers And Thunderstorms around State College and Chance Rain Showers near Radnor.
Stop Ideas Near Lawnton
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 Lawnton.
Harrisburg Transportation Center
Middletown
Elizabethtown station
Mount Joy
Flight Path Map
This map shows the direct air route between State College and Radnor. Straight-line distance: 141.27 mi (227.36 km).
#1 State College
The largest city in Centre County, Pennsylvania.
| Population | 41,366 |
| Coordinates | 40.7933900, -77.8600000 |
| Altitude | 355 |
| Country | United States |
#2 Radnor
Unincorporated community in Radnor Township, Pennsylvania, United States
| Population | 31,902 |
| Coordinates | 40.0462200, -75.3599100 |
| Altitude | 132 |
| Country | United States |
End: Radnor (-75.35991, 40.04622)
Estimated Travel Time
Distance: 288 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 57m |
| 40 mph (64.37 km/h) | 04h 28m |
| 50 mph (80.47 km/h) | 03h 34m |
| 60 mph (96.56 km/h) | 02h 58m |
| 70 mph (112.65 km/h) | 02h 33m |
| 80 mph (129 km/h) | 02h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $25.78 | $51.57 |
| Mid-grade | $4.60 | $29.02 | $58.04 |
| Premium | $4.95 | $31.26 | $62.52 |
| Diesel | $5.98 | $37.73 | $75.47 |
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.