How far is Upper Saint Clair, PA from Erie, PA?
The driving distance from Upper Saint Clair, PA to Erie, PA is about 137.3 miles (220.9 km), with a travel time of about 02h 11m by car.
- The straight-line flight distance is about 123.9 miles (199.4 km).
- For a round trip, plan for roughly 04h 22m 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 11m.
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.
Borough in Mercer County, Pennsylvania, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Scattered Showers And Thunderstorms
Slight Chance Rain Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Upper Saint Clair and Erie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Upper Saint Clair and Erie.
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1
Start on Swanson Lane
52 m · 10 sec · Swanson Lane
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2
Turn right onto Mill Grove Road
1549 ft · 1 min · Mill Grove Road
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3
At the end of the road, turn left onto Morrow Road
1 km · 2 min · Morrow Road
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4
At the end of the road, turn right onto Morrow Road
1.3 km · 2 min · Morrow Road
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5
At the end of the road, turn right onto Mayview Road
2064 ft · 51 sec · Mayview Road
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6
Continue on Bank Street
1 km · 2 min · Bank Street
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7
Turn right onto Dewey Avenue
127 m · 16 sec · Dewey Avenue
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8
At the end of the road, turn left onto Station Street
849 ft · 27 sec · Station Street
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9
Turn right onto Washington Avenue
1988 ft · 38 sec · Washington Avenue
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10
Continue on Washington Pike
1.4 km · 2 min · Washington Pike
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11
Take the ramp left toward I 79: Erie, Washington
549 ft · 13 sec
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12
Keep slight right to continue on I 79 North: Erie
2156 ft · 53 sec
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13
Merge slight left onto Raymond P Shafer Highway
128 mi · 2 hr 24 min · Raymond P Shafer Highway
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14
Take the exit slight right toward PA 5 East, PA 290 East: 12th Street
1388 ft · 50 sec
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15
Turn right onto West 12th Street
2.3 mi · 5 min · West 12th Street
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16
Turn left onto State Street
2318 ft · 2 min · State Street
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17
Arrive at your destination
0 m · 1 sec · State Street
Car Route Details
A richer read on the saved driving route between Upper Saint Clair and Erie.
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
Merge slight left onto Raymond P Shafer Highway
128 mi · 02h 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.
Scattered Showers And Thunderstorms leaving Upper Saint Clair and Slight Chance Rain Showers then Mostly Sunny near Erie.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Upper Saint Clair to Erie?
The road trip is about 137.3 miles (220.9 km) and usually takes 02h 11m 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?
Mercer is a useful midpoint, sitting about 67.9 miles from Upper Saint Clair and 69.3 miles from Erie.
How much longer is the road route than the straight-line distance?
The direct path is about 123.9 miles (199.4 km), while the road route adds roughly 13.4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.78 one way or $39.55 round trip. Estimated CO2 is about 43 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Showers And Thunderstorms around Upper Saint Clair and Slight Chance Rain Showers then Mostly Sunny near Erie.
Stop Ideas Near Mercer
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 Mercer.
Alliance
Union Station
Union Station
Greensburg
Flight Path Map
This map shows the direct air route between Upper Saint Clair and Erie. Straight-line distance: 123.91 mi (199.41 km).
#1 Upper Saint Clair
Home rule municipality in Allegheny County
| Population | 19,896 |
| Coordinates | 40.3359000, -80.0833900 |
| Altitude | 335 |
| Country | United States |
#2 Erie
The second most populous city in Pennsylvania.
| Population | 95,077 |
| Coordinates | 42.1292200, -80.0850600 |
| Altitude | 199 |
| Country | United States |
End: State Street (-80.085094, 42.129207)
Estimated Travel Time
Distance: 221 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 34m |
| 40 mph (64.37 km/h) | 03h 25m |
| 50 mph (80.47 km/h) | 02h 44m |
| 60 mph (96.56 km/h) | 02h 17m |
| 70 mph (112.65 km/h) | 01h 57m |
| 80 mph (129 km/h) | 01h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $19.78 | $39.55 |
| Mid-grade | $4.60 | $22.26 | $44.52 |
| Premium | $4.95 | $23.98 | $47.95 |
| Diesel | $5.98 | $28.94 | $57.89 |
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.