How far is Erie, PA from Mercer, PA?
The driving distance from Erie, PA to Mercer, PA is about 69.7 miles (112.2 km), with a travel time of about 01h 21m by car.
- The straight-line flight distance is about 62.8 miles (101.1 km).
- For a round trip, plan for roughly 02h 42m 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 01h 21m.
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.
City in Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Erie and Mercer.
Turn-by-Turn Driving Directions
Step-by-step road directions between Erie and Mercer.
-
1
Start on State Street
2318 ft · 2 min · State Street
-
2
Turn right onto West 12th Street
2 mi · 4 min · West 12th Street
-
3
Turn right onto Greengarden Boulevard
583 ft · 23 sec · Greengarden Boulevard
-
4
Turn left onto West Bayfront Parkway
862 ft · 20 sec · West Bayfront Parkway
-
5
Continue on Raymond P Shafer Highway
61.7 mi · 1 hr 6 min · Raymond P Shafer Highway
-
6
Take the exit slight right toward US 62: Mercer, Franklin
1927 ft · 47 sec
-
7
Turn right onto Franklin Road
4.2 mi · 6 min · Franklin Road
-
8
At the end of the road, turn left onto North Perry Highway
526 ft · 10 sec · North Perry Highway
-
9
Continue on Franklin Street
2172 ft · 45 sec · Franklin Street
-
10
Continue on North Erie Street
1117 ft · 29 sec · North Erie Street
-
11
Arrive at your destination
0 m · 1 sec · Erie Street
Car Route Details
A richer read on the saved driving route between Erie and Mercer.
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
61.7 mi · 01h 06m
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.
Showers And Thunderstorms Likely leaving Erie and Chance Rain Showers near Mercer.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Erie to Mercer?
The road trip is about 69.7 miles (112.2 km) and usually takes 01h 21m 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?
Meadville is a useful midpoint, sitting about 34.9 miles from Erie and 34.9 miles from Mercer.
How much longer is the road route than the straight-line distance?
The direct path is about 62.8 miles (101.1 km), while the road route adds roughly 6.9 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 3:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.05 one way or $20.10 round trip. Estimated CO2 is about 21.9 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Erie and Chance Rain Showers near Mercer.
Stop Ideas Near Meadville
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 Meadville.
Union Station
Jamestown, New York
Fredonia, New York
Alliance
Flight Path Map
This map shows the direct air route between Erie and Mercer. Straight-line distance: 62.85 mi (101.14 km).
#1 Erie
The second most populous city in Pennsylvania.
| Population | 95,077 |
| Coordinates | 42.1292200, -80.0850600 |
| Altitude | 199 |
| Country | United States |
#2 Mercer
Borough in Mercer County, Pennsylvania, United States
| Population | 1,865 |
| Coordinates | 41.2270000, -80.2397900 |
| Altitude | 395 |
| Country | United States |
End: Mercer (-80.23979, 41.227)
Estimated Travel Time
Distance: 112 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 19m |
| 40 mph (64.37 km/h) | 01h 44m |
| 50 mph (80.47 km/h) | 01h 23m |
| 60 mph (96.56 km/h) | 01h 09m |
| 70 mph (112.65 km/h) | 00h 59m |
| 80 mph (129 km/h) | 00h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $10.05 | $20.10 |
| Mid-grade | $4.60 | $11.31 | $22.63 |
| Premium | $4.95 | $12.19 | $24.37 |
| Diesel | $5.98 | $14.71 | $29.42 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.