How far is Somerset, PA from Erie, PA?
The driving distance from Somerset, PA to Erie, PA is about 192.5 miles (309.8 km), with a travel time of about 03h 00m by car.
- The straight-line flight distance is about 155.7 miles (250.5 km).
- For a round trip, plan for roughly 06h 01m 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 00m.
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 in Pennsylvania, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Somerset and Erie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerset and Erie.
-
1
Start on East Main Street
43 m · 6 sec · East Main Street
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2
Turn right onto North Center Avenue
2806 ft · 59 sec · North Center Avenue
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3
Turn left onto Ramada Road
1739 ft · 31 sec · Ramada Road
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4
Take the ramp straight toward I 76 West, I 70 West: Pittsburgh
2940 ft · 1 min
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5
Merge slight left onto Pennsylvania Turnpike
81.2 mi · 1 hr 27 min · Pennsylvania Turnpike
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6
Take the exit slight right toward I 79, US 19: Erie, Pittsburgh, Warrendale, Cranberry
1064 ft · 26 sec
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7
Keep slight left
2049 ft · 54 sec
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8
Keep slight left to continue on I 79 North: Erie
2892 ft · 1 min
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9
Merge slight left
105.2 mi · 1 hr 53 min
-
10
Take the exit slight right toward PA 5 East, PA 290 East: 12th Street
1388 ft · 50 sec
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11
Turn right onto West 12th Street
2.3 mi · 5 min · West 12th Street
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12
Turn left onto State Street
2318 ft · 2 min · State Street
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13
Arrive at your destination
0 m · 1 sec · State Street
Car Route Details
A richer read on the saved driving route between Somerset 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.
I 79 North
Merge slight left
105 mi · 01h 53m
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 Showers And Thunderstorms leaving Somerset and Showers And Thunderstorms Likely near Erie.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somerset to Erie?
The road trip is about 192.5 miles (309.8 km) and usually takes 03h 00m 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?
Harmony is a useful midpoint, sitting about 96 miles from Somerset and 96.6 miles from Erie.
How much longer is the road route than the straight-line distance?
The direct path is about 155.7 miles (250.5 km), while the road route adds roughly 36.8 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 10:58 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.74 one way or $55.49 round trip. Estimated CO2 is about 60.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Somerset and Showers And Thunderstorms Likely near Erie.
Stop Ideas Near Harmony
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 Harmony.
Union Station
Greensburg
Latrobe station
Alliance
Flight Path Map
This map shows the direct air route between Somerset and Erie. Straight-line distance: 155.63 mi (250.47 km).
#1 Somerset
Borough in Pennsylvania, United States
| Population | 5,817 |
| Coordinates | 40.0084100, -79.0780800 |
| Altitude | 669 |
| 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: 310 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 24m |
| 40 mph (64.37 km/h) | 04h 48m |
| 50 mph (80.47 km/h) | 03h 51m |
| 60 mph (96.56 km/h) | 03h 12m |
| 70 mph (112.65 km/h) | 02h 45m |
| 80 mph (129 km/h) | 02h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $27.74 | $55.49 |
| Mid-grade | $4.60 | $31.23 | $62.45 |
| Premium | $4.95 | $33.64 | $67.28 |
| Diesel | $5.98 | $40.60 | $81.21 |
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.