How far is Erie, PA from Decatur, PA?
The driving distance from Erie, PA to Decatur, PA is about 249.6 miles (401.7 km), with a travel time of about 04h 53m by car.
- The straight-line flight distance is about 168.6 miles (271.3 km).
- For a round trip, plan for roughly 09h 47m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 53m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Borough of 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 Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Erie and Decatur.
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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
66.8 mi · 1 hr 12 min · Raymond P Shafer Highway
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6
Take the exit slight right toward I 80 East: Clarion
2084 ft · 59 sec
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7
Merge slight left onto Keystone Shortway
103.3 mi · 1 hr 51 min · Keystone Shortway
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8
Take the exit slight right toward PA 970 to US 322: Woodland, Shawville
1699 ft · 43 sec
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9
Merge slight left onto Shawville Highway
1.4 mi · 2 min · Shawville Highway
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10
Turn left onto Woodland Bigler Highway
2.8 mi · 3 min · Woodland Bigler Highway
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11
Continue on Philipsburg Bigler Highway
7.1 mi · 8 min · Philipsburg Bigler Highway
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12
Continue on North Front Street
1650 ft · 24 sec · North Front Street
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13
Continue on North Centre Street
783 ft · 15 sec · North Centre Street
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14
Turn left onto Railroad Street
1.1 mi · 2 min · Railroad Street
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15
Continue on Port Matilda Highway
5.9 mi · 8 min · Port Matilda Highway
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16
Turn slight right onto Upper Flat Rock Road
2.2 mi · 3 min · Upper Flat Rock Road
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17
Continue on Flat Rock Road
1.8 mi · 2 min · Flat Rock Road
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18
Continue on 28th Division Highway
8.6 mi · 10 min · 28th Division Highway
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19
Keep slight left
4 mi · 5 min
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20
Keep slight right to continue on Mount Nittany Expressway
6.2 mi · 9 min · Mount Nittany Expressway
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21
Continue on Boal Avenue
2.6 mi · 4 min · Boal Avenue
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22
Continue on General Potter Highway
21.5 mi · 28 min · General Potter Highway
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23
Take the exit slight right toward US 522 North: Selinsgrove
1297 ft · 33 sec
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24
Turn left onto South Walnut Street
7.2 mi · 10 min · South Walnut Street
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25
Turn left onto Alfarata Road
2.1 mi · 5 min · Alfarata Road
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26
At the end of the road, turn right onto Old Stage Road
1.3 km · 2 min · Old Stage Road
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27
Arrive at your destination
0 m · 1 sec · Old Stage Road
Car Route Details
A richer read on the saved driving route between Erie and Decatur.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Keystone Shortway
Merge slight left onto Keystone Shortway
103 mi · 01h 51m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Erie and Clear near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Erie to Decatur?
The road trip is about 249.6 miles (401.7 km) and usually takes 04h 53m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Corsica is a useful midpoint, sitting about 124.7 miles from Erie and 124.9 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 168.6 miles (271.3 km), while the road route adds roughly 81 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 7:12 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.00 one way or $72.00 round trip. Estimated CO2 is about 78.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Erie and Clear near Decatur.
Stop Ideas Near Corsica
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 Corsica.
Latrobe station
Johnstown
Tyrone
Altoona Transportation Center
Flight Path Map
This map shows the direct air route between Erie and Decatur. Straight-line distance: 168.57 mi (271.28 km).
#1 Erie
The second most populous city in Pennsylvania.
| Population | 95,077 |
| Coordinates | 42.1292200, -80.0850600 |
| Altitude | 199 |
| Country | United States |
#2 Decatur
Township in Mifflin County, Pennsylvania
| Population | 3,070 |
| Coordinates | 40.6942400, -77.4538800 |
| Altitude | 207 |
| Country | United States |
End: Decatur (-77.45388, 40.69424)
Estimated Travel Time
Distance: 402 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 19m |
| 40 mph (64.37 km/h) | 06h 14m |
| 50 mph (80.47 km/h) | 04h 59m |
| 60 mph (96.56 km/h) | 04h 09m |
| 70 mph (112.65 km/h) | 03h 33m |
| 80 mph (129 km/h) | 03h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $36.00 | $72.00 |
| Mid-grade | $4.60 | $40.52 | $81.03 |
| Premium | $4.95 | $43.64 | $87.29 |
| Diesel | $5.98 | $52.68 | $105.37 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.