How far is Erie, PA from Mars, PA?
The driving distance from Erie, PA to Mars, PA is about 112.7 miles (181.3 km), with a travel time of about 02h 09m by car.
- The straight-line flight distance is about 99.1 miles (159.5 km).
- For a round trip, plan for roughly 04h 19m 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 09m.
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.
Township in Mercer 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 Erie and Mars.
Turn-by-Turn Driving Directions
Step-by-step road directions between Erie and Mars.
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1
Start on State Street
2318 ft · 2 min · State Street
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2
Turn right onto West 12th Street
2 mi · 4 min · West 12th Street
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3
Turn right onto Greengarden Boulevard
583 ft · 23 sec · Greengarden Boulevard
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4
Turn left onto West Bayfront Parkway
862 ft · 20 sec · West Bayfront Parkway
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5
Continue on Raymond P Shafer Highway
104 mi · 1 hr 52 min · Raymond P Shafer Highway
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6
Take the exit slight right toward Cranberry, Pennsylvania Turnpike
2944 ft · 1 min
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7
Keep slight right to continue on US 19, PA 228: Cranberry, Mars
2247 ft · 57 sec
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8
At the end of the road, turn left onto Mars Road
975 ft · 27 sec · Mars Road
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9
Continue on Mars Road
4.3 mi · 8 min · Mars Road
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10
Turn left onto Pittsburgh Street
2526 ft · 1 min · Pittsburgh Street
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11
Turn left onto Crowe Avenue
11 m · 1 sec · Crowe Avenue
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12
Arrive at your destination
0 m · 1 sec · Crowe Avenue
Car Route Details
A richer read on the saved driving route between Erie and Mars.
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
104 mi · 01h 52m
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.
Sunny leaving Erie and Sunny near Mars.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Erie to Mars?
The road trip is about 112.7 miles (181.3 km) and usually takes 02h 09m 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?
New Vernon is a useful midpoint, sitting about 56.4 miles from Erie and 56.3 miles from Mars.
How much longer is the road route than the straight-line distance?
The direct path is about 99.1 miles (159.5 km), while the road route adds roughly 13.6 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 2:10 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.26 one way or $32.52 round trip. Estimated CO2 is about 35.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Erie and Sunny near Mars.
Stop Ideas Near New Vernon
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 New Vernon.
Union Station
Alliance
Jamestown, New York
Union Station
Flight Path Map
This map shows the direct air route between Erie and Mars. Straight-line distance: 99.11 mi (159.5 km).
#1 Erie
The second most populous city in Pennsylvania.
| Population | 95,077 |
| Coordinates | 42.1292200, -80.0850600 |
| Altitude | 199 |
| Country | United States |
#2 Mars
Borough in Butler County, Pennsylvania, USA
| Population | 1,608 |
| Coordinates | 40.6959000, -80.0117300 |
| Altitude | 317 |
| Country | United States |
End: Mars (-80.01173, 40.6959)
Estimated Travel Time
Distance: 181 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 45m |
| 40 mph (64.37 km/h) | 02h 48m |
| 50 mph (80.47 km/h) | 02h 15m |
| 60 mph (96.56 km/h) | 01h 52m |
| 70 mph (112.65 km/h) | 01h 36m |
| 80 mph (129 km/h) | 01h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $16.26 | $32.52 |
| Mid-grade | $4.60 | $18.30 | $36.61 |
| Premium | $4.95 | $19.72 | $39.43 |
| Diesel | $5.98 | $23.80 | $47.60 |
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.