How far is Mars, PA from Erie, PA?
The driving distance from Mars, PA to Erie, PA is about 112.8 miles (181.6 km), with a travel time of about 01h 49m by car.
- The straight-line flight distance is about 99.1 miles (159.5 km).
- For a round trip, plan for roughly 03h 38m 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 49m.
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.
Scattered Showers And Thunderstorms
Slight Chance Rain Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Mars and Erie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mars and Erie.
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1
Start on Crowe Avenue
11 m · 3 sec · Crowe Avenue
-
2
Turn right onto Pittsburgh Street
2526 ft · 1 min · Pittsburgh Street
-
3
Turn right onto Mars Road
4.1 mi · 7 min · Mars Road
-
4
Take the ramp slight right toward I 79: Erie
3009 ft · 1 min
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5
Merge slight left
104.1 mi · 1 hr 52 min
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6
Take the exit slight right toward PA 5 East, PA 290 East: 12th Street
1388 ft · 50 sec
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7
Turn right onto West 12th Street
2.3 mi · 5 min · West 12th Street
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8
Turn left onto State Street
2318 ft · 2 min · State Street
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9
Arrive at your destination
0 m · 1 sec · State Street
Car Route Details
A richer read on the saved driving route between Mars 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
Merge slight left
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.
Scattered Showers And Thunderstorms leaving Mars 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 Mars to Erie?
The road trip is about 112.8 miles (181.6 km) and usually takes 01h 49m 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 56.2 miles from Mars and 56.7 miles from Erie.
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 13.7 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 2:52 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 Scattered Showers And Thunderstorms around Mars and Slight Chance Rain Showers then Mostly Sunny near Erie.
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 Mars and Erie. Straight-line distance: 99.11 mi (159.5 km).
#1 Mars
Borough in Butler County, Pennsylvania, USA
| Population | 1,608 |
| Coordinates | 40.6959000, -80.0117300 |
| Altitude | 317 |
| 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: 182 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 45m |
| 40 mph (64.37 km/h) | 02h 49m |
| 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.