How far is Unity, PA from Erie, PA?
The driving distance from Unity, PA to Erie, PA is about 136.5 miles (219.6 km), with a travel time of about 02h 14m by car.
- The straight-line flight distance is about 114.2 miles (183.8 km).
- For a round trip, plan for roughly 04h 28m 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 14m.
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.
Borough in Mercer County, Pennsylvania, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Unity and Erie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Unity and Erie.
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1
Start on Perry Street
731 ft · 32 sec · Perry Street
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2
Turn right onto Siple Street
111 m · 19 sec · Siple Street
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3
At the end of the road, turn left onto Siple Street
139 m · 23 sec · Siple Street
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4
At the end of the road, turn left onto Leechburg Road
2530 ft · 1 min · Leechburg Road
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5
Continue on Milltown Road
1.4 km · 2 min · Milltown Road
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6
Continue on Hulton Road
2.2 mi · 3 min · Hulton Road
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7
At the end of the road, turn left onto Hulton Road
1.5 mi · 2 min · Hulton Road
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8
Continue on Hulton Bridge
1749 ft · 46 sec · Hulton Bridge
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9
Turn right onto Freeport Road
1.4 mi · 3 min · Freeport Road
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10
Take the ramp straight toward PATP
1782 ft · 44 sec
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11
Keep slight left to continue on I 76 West: Ohio
1959 ft · 48 sec
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12
Merge slight left onto Pennsylvania Turnpike
18.8 mi · 20 min · Pennsylvania Turnpike
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13
Take the exit slight right toward I 79, US 19: Erie, Pittsburgh, Warrendale, Cranberry
1064 ft · 26 sec
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14
Keep slight left
2049 ft · 54 sec
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15
Keep slight left to continue on I 79 North: Erie
2892 ft · 1 min
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16
Merge slight left
105.2 mi · 1 hr 53 min
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17
Take the exit slight right toward PA 5 East, PA 290 East: 12th Street
1388 ft · 50 sec
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18
Turn right onto West 12th Street
2.3 mi · 5 min · West 12th Street
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19
Turn left onto State Street
2318 ft · 2 min · State Street
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20
Arrive at your destination
0 m · 1 sec · State Street
Car Route Details
A richer read on the saved driving route between Unity 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 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.
Mostly Sunny leaving Unity and Mostly Sunny near Erie.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Unity to Erie?
The road trip is about 136.5 miles (219.6 km) and usually takes 02h 14m 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?
Mercer is a useful midpoint, sitting about 68 miles from Unity and 68.5 miles from Erie.
How much longer is the road route than the straight-line distance?
The direct path is about 114.2 miles (183.8 km), while the road route adds roughly 22.3 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 2:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.69 one way or $39.39 round trip. Estimated CO2 is about 42.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Unity and Mostly Sunny near Erie.
Stop Ideas Near Mercer
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 Mercer.
Alliance
Union Station
Union Station
Greensburg
Flight Path Map
This map shows the direct air route between Unity and Erie. Straight-line distance: 114.21 mi (183.8 km).
#1 Unity
Township in Westmoreland County, Pennsylvania, United States
| Population | 21,600 |
| Coordinates | 40.4922900, -79.7794900 |
| Altitude | 296 |
| 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: 220 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 32m |
| 40 mph (64.37 km/h) | 03h 24m |
| 50 mph (80.47 km/h) | 02h 43m |
| 60 mph (96.56 km/h) | 02h 16m |
| 70 mph (112.65 km/h) | 01h 56m |
| 80 mph (129 km/h) | 01h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $19.69 | $39.39 |
| Mid-grade | $4.60 | $22.17 | $44.33 |
| Premium | $4.95 | $23.88 | $47.76 |
| Diesel | $5.98 | $28.82 | $57.65 |
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 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.