How far is Decatur, PA from Upper Darby, PA?
The driving distance from Decatur, PA to Upper Darby, PA is about 171.4 miles (275.8 km), with a travel time of about 03h 02m by car.
- The straight-line flight distance is about 126.4 miles (203.5 km).
- For a round trip, plan for roughly 06h 05m 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 03h 02m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 northwestern Lancaster County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Upper Darby.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Upper Darby.
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1
Start on Old Stage Road
1.3 km · 2 min · Old Stage Road
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2
Turn left onto Alfarata Road
2.1 mi · 5 min · Alfarata Road
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3
Turn right
7.1 mi · 9 min
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4
Turn right onto Shaw Avenue
109 m · 11 sec · Shaw Avenue
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5
Take the ramp slight right toward US 322 East: Harrisburg, Mount Union
57 m · 6 sec
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6
Merge slight left
53.9 mi · 1 hr 7 min
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7
Take the exit slight right toward I 81 North, US 322 East, I 81 South: Hershey, Hazleton, Carlisle
968 ft · 21 sec
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8
Keep slight left to continue on I 81 North, US 322 East: Hershey, Hazleton
1.4 km · 2 min
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9
Merge slight left onto American Legion Memorial Highway
1.8 mi · 2 min · American Legion Memorial Highway
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10
Keep slight right to continue on I 83 South, US 322 East: Hershey, York
4.3 mi · 6 min
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11
Keep slight left to continue on I 283 South: Harrisburg International Airport
910 ft · 22 sec
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12
Continue straight
2.8 mi · 5 min
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13
Keep slight left to continue on I 76 East: Philadelphia
1.1 km · 2 min
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14
Merge slight left onto Pennsylvania Turnpike
78.4 mi · 1 hr 24 min · Pennsylvania Turnpike
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15
Take the exit slight right toward I 76 East: Valley Forge, Philadelphia
5.1 mi · 8 min
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16
Take the exit slight right toward I 476 South: Chester
3093 ft · 2 min
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17
Merge slight left onto Mid-County Expressway
6.4 mi · 9 min · Mid-County Expressway
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18
Take the exit slight right toward PA 3: Upper Darby, Broomall
1670 ft · 59 sec
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19
Turn left onto West Chester Pike
2.5 mi · 5 min · West Chester Pike
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20
Turn slight right onto Darby Road
144 m · 14 sec · Darby Road
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21
Continue on Lansdowne Avenue
3 mi · 8 min · Lansdowne Avenue
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22
Turn right onto West Providence Road
1430 ft · 39 sec · West Providence Road
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23
Arrive at your destination
0 m · 1 sec · West Providence Road
Car Route Details
A richer read on the saved driving route between Decatur and Upper Darby.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Pennsylvania Turnpike
Merge slight left onto Pennsylvania Turnpike
78.4 mi · 01h 24m
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.
Partly Sunny leaving Decatur and Mostly Sunny near Upper Darby.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Upper Darby?
The road trip is about 171.4 miles (275.8 km) and usually takes 03h 02m 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?
Elizabethtown is a useful midpoint, sitting about 85.6 miles from Decatur and 85.8 miles from Upper Darby.
How much longer is the road route than the straight-line distance?
The direct path is about 126.4 miles (203.5 km), while the road route adds roughly 45 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 10:54 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.72 one way or $49.44 round trip. Estimated CO2 is about 53.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Decatur and Mostly Sunny near Upper Darby.
Stop Ideas Near Elizabethtown
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 Elizabethtown.
Elizabethtown station
Mount Joy
Middletown
Harrisburg Transportation Center
Flight Path Map
This map shows the direct air route between Decatur and Upper Darby. Straight-line distance: 126.46 mi (203.51 km).
#1 Decatur
Township in Mifflin County, Pennsylvania
| Population | 3,070 |
| Coordinates | 40.6942400, -77.4538800 |
| Altitude | 207 |
| Country | United States |
#2 Upper Darby
Town in Delaware County, Pennsylvania, United States
| Population | 82,883 |
| Coordinates | 39.9284500, -75.2738000 |
| Altitude | 20 |
| Country | United States |
End: West Providence Road (-75.273806, 39.928457)
Estimated Travel Time
Distance: 276 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 42m |
| 40 mph (64.37 km/h) | 04h 17m |
| 50 mph (80.47 km/h) | 03h 25m |
| 60 mph (96.56 km/h) | 02h 51m |
| 70 mph (112.65 km/h) | 02h 26m |
| 80 mph (129 km/h) | 02h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $24.72 | $49.44 |
| Mid-grade | $4.60 | $27.82 | $55.65 |
| Premium | $4.95 | $29.97 | $59.94 |
| Diesel | $5.98 | $36.18 | $72.36 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.