How far is Back Mountain, PA from Erie, PA?
The driving distance from Back Mountain, PA to Erie, PA is about 319.6 miles (514.3 km), with a travel time of about 05h 13m by car.
- The straight-line flight distance is about 217.8 miles (350.5 km).
- For a round trip, plan for roughly 10h 27m 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 13m.
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 Mostly Sunny
Slight Chance Rain Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Back Mountain and Erie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Back Mountain and Erie.
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1
Start on the route
18.2 mi · 26 min
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2
Keep slight right to continue on State Route 118
23.6 mi · 41 min · State Route 118
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3
Turn left onto South Main Street
2.8 mi · 5 min · South Main Street
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4
Continue straight
1.3 km · 1 min
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5
Take the ramp left
1397 ft · 34 sec
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6
Merge slight left
12 mi · 13 min
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7
Take the exit slight right toward I 80 West: Bellefonte
1 km · 58 sec
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8
Merge slight left onto Keystone Shortway
191.5 mi · 3 hr 26 min · Keystone Shortway
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9
Take the exit slight right toward I 79 North: Erie
1 km · 1 min
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10
Merge slight right
65.8 mi · 1 hr 11 min
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11
Take the exit slight right toward PA 5 East, PA 290 East: 12th Street
1388 ft · 50 sec
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12
Turn right onto West 12th Street
2.3 mi · 5 min · West 12th Street
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13
Turn left onto State Street
2318 ft · 2 min · State Street
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14
Arrive at your destination
0 m · 1 sec · State Street
Car Route Details
A richer read on the saved driving route between Back Mountain and Erie.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Keystone Shortway
Merge slight left onto Keystone Shortway
192 mi · 03h 26m
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 Mostly Sunny leaving Back Mountain 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 Back Mountain to Erie?
The road trip is about 319.6 miles (514.3 km) and usually takes 05h 13m 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?
Plymptonville is a useful midpoint, sitting about 159.4 miles from Back Mountain and 160.1 miles from Erie.
How much longer is the road route than the straight-line distance?
The direct path is about 217.8 miles (350.5 km), while the road route adds roughly 101.8 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 6:32 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.05 one way or $92.10 round trip. Estimated CO2 is about 100.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Mostly Sunny around Back Mountain and Slight Chance Rain Showers then Mostly Sunny near Erie.
Stop Ideas Near Plymptonville
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 Plymptonville.
Tyrone
Altoona Transportation Center
Huntingdon
Johnstown
Flight Path Map
This map shows the direct air route between Back Mountain and Erie. Straight-line distance: 217.81 mi (350.53 km).
#1 Back Mountain
Unincorporated community
| Population | 26,973 |
| Coordinates | 41.3359100, -75.9963100 |
| Altitude | 389 |
| 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: 514 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 38m |
| 40 mph (64.37 km/h) | 07h 59m |
| 50 mph (80.47 km/h) | 06h 23m |
| 60 mph (96.56 km/h) | 05h 19m |
| 70 mph (112.65 km/h) | 04h 33m |
| 80 mph (129 km/h) | 03h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $46.05 | $92.10 |
| Mid-grade | $4.60 | $51.83 | $103.66 |
| Premium | $4.95 | $55.83 | $111.66 |
| Diesel | $5.98 | $67.39 | $134.79 |
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.