How far is Prospect, PA from Philadelphia, PA?
The driving distance from Prospect, PA to Philadelphia, PA is about 342.5 miles (551.2 km), with a travel time of about 05h 31m by car.
- The straight-line flight distance is about 265.1 miles (426.6 km).
- For a round trip, plan for roughly 11h 03m 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 05h 31m.
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.
Borough of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Prospect and Philadelphia.
Turn-by-Turn Driving Directions
Step-by-step road directions between Prospect and Philadelphia.
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1
Start on Main Street
1.3 mi · 2 min · Main Street
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2
Continue on Portersville Road
4.1 mi · 7 min · Portersville Road
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3
Take the ramp left toward Pittsburgh
1026 ft · 25 sec
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4
Merge slight left
16.6 mi · 18 min
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5
Take the exit slight right toward Cranberry, Pennsylvania Turnpike
2944 ft · 1 min
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6
Keep slight left to continue on Youngstown Ohio, Harrisburg
1.2 km · 2 min
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7
Keep slight right to continue on I 76, PATP: Youngstown Ohio, Harrisburg
2328 ft · 57 sec
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8
Keep slight left to continue on I 76 East: Harrisburg
1861 ft · 1 min
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9
Merge slight left onto Pennsylvania Turnpike
298.7 mi · 5 hr 25 min · Pennsylvania Turnpike
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10
Take the exit slight right toward I 76 East: Valley Forge, Philadelphia
18 mi · 26 min
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11
Keep slight left to continue on Vine Street Expressway
1.3 km · 1 min · Vine Street Expressway
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12
Take the exit slight right toward Central Philadelphia
731 ft · 18 sec
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13
Keep slight right to continue on 15th Street, Central Philadelphia
96 m · 11 sec
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14
Turn right onto North 15th Street
1987 ft · 49 sec · North 15th Street
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15
Turn slight left onto South Penn Square
115 m · 9 sec · South Penn Square
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16
Keep slight left to continue on South Penn Square
51 m · 3 sec · South Penn Square
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17
Arrive at your destination
0 m · 1 sec · South Penn Square
Car Route Details
A richer read on the saved driving route between Prospect and Philadelphia.
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
299 mi · 05h 25m
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 leaving Prospect and Chance Rain Showers near Philadelphia.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Prospect to Philadelphia?
The road trip is about 342.5 miles (551.2 km) and usually takes 05h 31m 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?
Valley-Hi is a useful midpoint, sitting about 171.1 miles from Prospect and 171.4 miles from Philadelphia.
How much longer is the road route than the straight-line distance?
The direct path is about 265.1 miles (426.6 km), while the road route adds roughly 77.4 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 5:56 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $49.40 one way or $98.80 round trip. Estimated CO2 is about 107.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Prospect and Chance Rain Showers near Philadelphia.
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 Prospect and Philadelphia. Straight-line distance: 265.06 mi (426.57 km).
#1 Prospect
Township in Butler County, Kansas
| Population | 1,135 |
| Coordinates | 40.9045100, -80.0464500 |
| Altitude | 417 |
| Country | United States |
#2 Philadelphia
The sixth most populous city in the United States and the center of the Philadelphia metropolitan area.
| Population | 1,578,487 |
| Coordinates | 39.9523300, -75.1637900 |
| Altitude | 12 |
| Country | United States |
End: South Penn Square (-75.163922, 39.951648)
Estimated Travel Time
Distance: 551 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 24m |
| 40 mph (64.37 km/h) | 08h 33m |
| 50 mph (80.47 km/h) | 06h 50m |
| 60 mph (96.56 km/h) | 05h 42m |
| 70 mph (112.65 km/h) | 04h 53m |
| 80 mph (129 km/h) | 04h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $49.40 | $98.80 |
| Mid-grade | $4.60 | $55.60 | $111.20 |
| Premium | $4.95 | $59.89 | $119.79 |
| Diesel | $5.98 | $72.30 | $144.60 |
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.