How far is Saint Thomas, PA from Erie, PA?
The driving distance from Saint Thomas, PA to Erie, PA is about 275.9 miles (444 km), with a travel time of about 04h 22m by car.
- The straight-line flight distance is about 193.8 miles (311.9 km).
- For a round trip, plan for roughly 08h 45m 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 04h 22m.
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.
Municipality in Westmoreland County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Saint Thomas and Erie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Thomas and Erie.
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1
Start on Schoolhouse Road
6 m · 2 sec · Schoolhouse Road
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2
Turn right onto Lincoln Way West
6.5 mi · 9 min · Lincoln Way West
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3
Continue on Lincoln Way West
4.1 mi · 6 min · Lincoln Way West
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4
Continue on Lincoln Highway
20.8 mi · 29 min · Lincoln Highway
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5
Take the exit left toward I 70 West, I 76: Turnpike
110 m · 10 sec
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6
Continue on Dwight D Eisenhower Highway
1.5 mi · 2 min · Dwight D Eisenhower Highway
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7
Keep slight right to continue on I 70 West, I 76 West: Pittsburgh
1913 ft · 47 sec
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8
Merge slight left onto Pennsylvania Turnpike
132.8 mi · 2 hr 25 min · Pennsylvania Turnpike
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9
Take the exit slight right toward I 79, US 19: Erie, Pittsburgh, Warrendale, Cranberry
1064 ft · 26 sec
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10
Keep slight left
2049 ft · 54 sec
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11
Keep slight left to continue on I 79 North: Erie
2892 ft · 1 min
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12
Merge slight left
105.2 mi · 1 hr 53 min
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13
Take the exit slight right toward PA 5 East, PA 290 East: 12th Street
1388 ft · 50 sec
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14
Turn right onto West 12th Street
2.3 mi · 5 min · West 12th Street
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15
Turn left onto State Street
2318 ft · 2 min · State Street
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16
Arrive at your destination
0 m · 1 sec · State Street
Car Route Details
A richer read on the saved driving route between Saint Thomas 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.
Pennsylvania Turnpike
Merge slight left onto Pennsylvania Turnpike
133 mi · 02h 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.
Sunny leaving Saint Thomas and Sunny near Erie.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Thomas to Erie?
The road trip is about 275.9 miles (444 km) and usually takes 04h 22m 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?
Murrysville is a useful midpoint, sitting about 137.6 miles from Saint Thomas and 138.3 miles from Erie.
How much longer is the road route than the straight-line distance?
The direct path is about 193.8 miles (311.9 km), while the road route adds roughly 82.1 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 8:14 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.76 one way or $79.51 round trip. Estimated CO2 is about 86.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Thomas and Sunny near Erie.
Stop Ideas Near Murrysville
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 Murrysville.
Greensburg
Union Station
Latrobe station
Connellsville station
Flight Path Map
This map shows the direct air route between Saint Thomas and Erie. Straight-line distance: 193.81 mi (311.9 km).
#1 Saint Thomas
Township in Franklin County, Pennsylvania
| Population | 6,039 |
| Coordinates | 39.9175900, -77.7977700 |
| Altitude | 197 |
| 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: 444 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 11m |
| 40 mph (64.37 km/h) | 06h 53m |
| 50 mph (80.47 km/h) | 05h 31m |
| 60 mph (96.56 km/h) | 04h 35m |
| 70 mph (112.65 km/h) | 03h 56m |
| 80 mph (129 km/h) | 03h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $39.76 | $79.51 |
| Mid-grade | $4.60 | $44.75 | $89.50 |
| Premium | $4.95 | $48.20 | $96.40 |
| Diesel | $5.98 | $58.19 | $116.37 |
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 · Jun 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.