If you are planning a quick getaway within Pennsylvania, the 112.8-mile journey from Mars to Erie is an efficient trip that clocks in at approximately 1 hour and 49 minutes. This route is perfectly suited for a single-day excursion, allowing you to reach your destination without the need for an overnight stay. You can expect to budget roughly $18 for fuel, making it a budget-friendly option for a weekend or weekday escape. By navigating through Pittsburgh Street, Mars Road, and I-79, you will transition smoothly from the Northeast region toward the lakefront. Because the drive is relatively short, it offers the flexibility to head out early or late depending on your schedule.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
56.1 miles from Mars, PA
A natural place for your longest stop of the day
, about 1h 4m into the drive
.
Main Roads
Road
Distance
Duration
I 79
104.1 mi
1h 52m
Mars Road
4.1 mi
7m
West 12th Street
2.3 mi
4m
Pittsburgh Street
0.5 mi
1m
State Street
0.4 mi
1m
Crowe Avenue
<0.1 mi
<1m
Longest stretch:
I 79
— 104.1 mi, about 1h 52m
Turn-by-Turn Driving Directions
Step-by-step road directions between Mars, PA and Erie, PA.
1
Start on Crowe Avenue
35 ft·2 sec·Crowe Avenue
2
Turn right onto Pittsburgh Street
0.5 mi·1 min·Pittsburgh Street
3
Turn right onto PA 228
4.1 mi·7 min·Mars Road
Use the left / straight lanes.
4
Take the ramp
0.6 mi·1 min
Toward I 79: ErieUse the slight right lane.
5
Merge onto I 79
104 mi·1 hr 52 min·I 79
Use the straight / slight right lanes.
6
Take the exit
0.3 mi·49 sec
Exit 183AToward PA 5 East, PA 290 East: 12th Street
7
Turn right onto PA 5; PA 290
2.3 mi·4 min·West 12th Street
Use the straight / right lanes.
8
Turn left onto State Street
0.4 mi·1 min·State Street
Use the left lane.
9
Arrive at destination
State Street
Trip Plan
Since this is a compact drive of under two hours, you have plenty of freedom to time your departure to avoid peak traffic. Because there are no scheduled stops required for a trip of this length, you can easily complete the journey in one push, though keeping a small buffer in your timeline is always wise. Keep in mind that the local roads demand more focus than a standard highway, so stay alert during the turn-heavy sections of Mars Road. Fueling up before you leave Mars will help you keep that $18 estimate accurate and stress-free. Take advantage of the trip's short duration by planning your arrival in Erie to coincide with the best part of your day.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 56.1 miles from Mars, PA, or about 1h 4m into the drive.
The longest continuous stretch on this route runs about 104.1 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 25 miles or 31m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 56.1 miles or 1h 4m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 43m
Traffic, exits, and arrival timing usually matter more near Erie, PA than in the middle of the route.
Before You Leave
+
Open the route before leaving Mars, PA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Mars, PA
This is one driving day of about 112.3 miles and 2h 8m.
Your first comfortable stop window is around 25 miles from Mars, PA.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on I 79 for about 104.1 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 7
5 decision points cluster between mile 0.5 and 111.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0.5 mi into trip|~1m in|PA 228 / Mars Road
Turn right onto PA 228 / Mars Road
Lane positioning matters here
Use the left / straight lanes.
5
4.6 mi into trip|~8m in
Take the ramp toward I 79: Erie
Lane positioning matters here
Use the slight right lane.
Toward I 79: Erie
5
5.2 mi into trip|~9m in|I 79
Merge onto I 79
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
6
109.3 mi into trip|~2h 1m in
Take the exit toward PA 5 East, PA 290 East: 12th Street
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 183A
Toward PA 5 East, PA 290 East: 12th Street
6
111.8 mi into trip|~2h 7m in|State Street
Turn left onto State Street
Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$18.62 one way
$37.24 round trip
$4.21/gal25.4 MPG avg39 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.61
$20.39
$40.78
premium
$4.93
$21.78
$43.56
diesel
$5.61
$24.79
$49.59
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$19
Meals
$25–$50
Total
$44–$69
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 39.3 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $12 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
33.7
0
$11.79
$5.39
Efficient EV
28.1
0
$9.83
$4.49
EV Truck/SUV
44.9
0
$15.72
$7.19
Gas CO2
39 kg
EV CO2
13 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 18, 2026
Origin
Mars, PA
Morning
in Mars on Tuesday
Local time
8:14 AM
EDT
Current temp
68°F
Unavailable
Live forecast
Destination
Erie, PA
Morning
in Erie on Tuesday
Local time
8:14 AM
EDT
Current temp
66°F
Showers And Thunderstorms
SW 16 to 20 mph94% chanceLive forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
2 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 8m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
Expect a turn-heavy local driving experience that keeps you engaged rather than lulled by a monotonous interstate slog. While the route incorporates I-79, it maintains a 0% highway share, emphasizing the winding, technical nature of the local roads. You will find that there is no single long stretch of highway, as the longest uninterrupted segment on Pittsburgh Street measures 0 miles. The transition from local roads to the interstate requires constant focus, so be prepared for a drive that demands your full attention. This is not a cruise-control type of trip, but rather a winding path that shifts as you move north.
93% highway — fuel and pacing are the main things to plan.
9 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 104.1 mi on I 79.
How Hard Is This Drive?
2/10
This is a straightforward highway drive that stays mostly on I 79 and Mars Road. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes around 0.5 miles in near PA 228 / Mars Road.
Driving Effort2/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Mars, PA to Erie, PA is easy. At 2h 8m with 93% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 0.5 miles (PA 228 / Mars Road): Lane positioning matters here; at 4.6 miles: Lane positioning matters here; at 5.2 miles (I 79): Merge point - match speed before joining. Lane positioning matters here.
Mars is a town in Pennsylvania. Yes, you read that right. It is one of the most quirky places you can find in Pennsylvania. The main reason to visit us to enjoy the signage that makes use of the town's name, and to see the flying saucer, if it's there.
The longest stretch is about 104.1 miles on I 79. The full list of main roads is in the Roads section above.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
The main spots that need attention: at 0.5 miles (PA 228 / Mars Road): Lane positioning matters here; at 4.6 miles: Lane positioning matters here; at 5.2 miles (I 79): Merge point - match speed before joining. Lane positioning matters here.
Yes. A round trip is manageable in a single day if you plan a break at Erie, PA before heading back.
