How far is Erie, PA from Prospect, PA?
The driving distance from Erie, PA to Prospect, PA is about 176.3 miles (283.7 km), with a travel time of about 03h 47m by car.
- The straight-line flight distance is about 138.2 miles (222.4 km).
- For a round trip, plan for roughly 07h 34m 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 47m.
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 then Partly Sunny
Driving Route Map
The map below follows the saved road route between Erie and Prospect.
Turn-by-Turn Driving Directions
Step-by-step road directions between Erie and Prospect.
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1
Start on State Street
2318 ft · 2 min · State Street
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2
Turn right onto West 12th Street
2 mi · 4 min · West 12th Street
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3
Turn right onto Greengarden Boulevard
583 ft · 23 sec · Greengarden Boulevard
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4
Turn left onto West Bayfront Parkway
862 ft · 20 sec · West Bayfront Parkway
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5
Continue on Raymond P Shafer Highway
84.1 mi · 1 hr 30 min · Raymond P Shafer Highway
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6
Take the exit slight right toward US 422: Butler, New Castle
851 ft · 29 sec
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7
Turn right
37.9 mi · 51 min
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8
Take the exit slight right toward US 422 East, US 422 Business West: Indiana
1378 ft · 34 sec
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9
Keep slight right
25.4 mi · 34 min
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10
Take the exit slight right
1647 ft · 40 sec
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11
Keep slight right
59 m · 5 sec
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12
Turn right onto South 6th Street
3.3 mi · 5 min · South 6th Street
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13
At the end of the road, turn left
8.9 mi · 13 min
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14
Continue straight
768 ft · 22 sec
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15
Take the exit left toward US 22 East: Ebensburg
999 ft · 25 sec
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16
Merge slight left onto William Penn Highway
1.4 km · 1 min · William Penn Highway
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17
Take the exit slight right toward PA 403: Dilltown, Johnstown
1070 ft · 33 sec
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18
Turn right onto Cramer Pike
7.9 mi · 13 min · Cramer Pike
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19
Continue on Cooper Avenue
1.2 mi · 2 min · Cooper Avenue
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20
Turn left onto Iron Street
1.5 km · 2 min · Iron Street
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21
Turn right onto 4th Avenue
1332 ft · 44 sec · 4th Avenue
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22
At the end of the road, turn left onto Broad Street
1097 ft · 29 sec · Broad Street
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23
Continue on Roosevelt Boulevard
2371 ft · 1 min · Roosevelt Boulevard
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24
Turn left onto Washington Street
865 ft · 28 sec · Washington Street
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25
Turn left onto Johns Street
128 m · 9 sec · Johns Street
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26
Turn right onto Walnut Street
740 ft · 13 sec · Walnut Street
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27
Turn straight onto William Penn Avenue
1 km · 1 min · William Penn Avenue
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28
Arrive at your destination
0 m · 1 sec · William Penn Avenue
Car Route Details
A richer read on the saved driving route between Erie and Prospect.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Raymond P Shafer Highway
Continue on Raymond P Shafer Highway
84.1 mi · 01h 30m
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 Erie and Chance Rain Showers then Partly Sunny near Prospect.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Erie to Prospect?
The road trip is about 176.3 miles (283.7 km) and usually takes 03h 47m 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?
Portersville is a useful midpoint, sitting about 88.1 miles from Erie and 88.2 miles from Prospect.
How much longer is the road route than the straight-line distance?
The direct path is about 138.2 miles (222.4 km), while the road route adds roughly 38.1 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 9:26 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.41 one way or $50.83 round trip. Estimated CO2 is about 55.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Erie and Chance Rain Showers then Partly Sunny near Prospect.
Stop Ideas Near Portersville
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 Portersville.
Union Station
Alliance
Greensburg
Latrobe station
Flight Path Map
This map shows the direct air route between Erie and Prospect. Straight-line distance: 138.16 mi (222.35 km).
#1 Erie
The second most populous city in Pennsylvania.
| Population | 95,077 |
| Coordinates | 42.1292200, -80.0850600 |
| Altitude | 199 |
| Country | United States |
#2 Prospect
Borough in Butler County, Pennsylvania, United States
| Population | 1,112 |
| Coordinates | 40.3345200, -78.9122500 |
| Altitude | 438 |
| Country | United States |
End: Prospect (-78.91225, 40.33452)
Estimated Travel Time
Distance: 284 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 52m |
| 40 mph (64.37 km/h) | 04h 24m |
| 50 mph (80.47 km/h) | 03h 31m |
| 60 mph (96.56 km/h) | 02h 56m |
| 70 mph (112.65 km/h) | 02h 31m |
| 80 mph (129 km/h) | 02h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $25.41 | $50.83 |
| Mid-grade | $4.60 | $28.61 | $57.21 |
| Premium | $4.95 | $30.81 | $61.63 |
| Diesel | $5.98 | $37.20 | $74.39 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.