How far is Upper Darby, PA from Trooper, PA?
The driving distance from Upper Darby, PA to Trooper, PA is about 21.3 miles (34.3 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 16.7 miles (26.9 km).
- For a round trip, plan for roughly 01h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 43m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Unincorporated community in Radnor Township, Pennsylvania, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Upper Darby and Trooper.
Turn-by-Turn Driving Directions
Step-by-step road directions between Upper Darby and Trooper.
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1
Start on West Providence Road
1430 ft · 46 sec · West Providence Road
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2
Turn left onto South Lansdowne Avenue
3 mi · 8 min · South Lansdowne Avenue
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3
Continue on Darby Road
144 m · 14 sec · Darby Road
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4
Turn slight left onto West Chester Pike
2.2 mi · 5 min · West Chester Pike
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5
Take the exit slight right toward I 476 North: Plymouth Meeting
2005 ft · 59 sec
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6
Merge slight left onto Mid-County Expressway
3.9 mi · 5 min · Mid-County Expressway
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7
Take the exit slight right toward US 30: Saint Davids, Villanova
1828 ft · 47 sec
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8
Continue on King of Prussia Road
2 mi · 4 min · King of Prussia Road
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9
Turn left onto Upper Gulph Road
1.6 km · 2 min · Upper Gulph Road
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10
Turn right onto Radnor Road
2918 ft · 1 min · Radnor Road
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11
At the end of the road, turn right onto Croton Road
1767 ft · 46 sec · Croton Road
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12
At the end of the road, turn left onto South Warner Road
1.2 km · 2 min · South Warner Road
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13
Turn left onto Devon Park Drive
1289 ft · 31 sec · Devon Park Drive
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14
Take the ramp slight right toward US 202 North, US 422 West: King of Prussia, Pottstown
76 m · 7 sec
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15
Keep slight left to continue on US 422 West: Pottstown
1802 ft · 44 sec
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16
Continue on County Line Expressway
2.1 mi · 3 min · County Line Expressway
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17
Take the exit slight right toward PA 363: Audubon, Trooper
1119 ft · 29 sec
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18
Turn slight right onto South Trooper Road
2.5 mi · 5 min · South Trooper Road
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19
Turn left onto Ridge Pike
1.2 km · 2 min · Ridge Pike
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20
Turn left onto Hillside Avenue
1192 ft · 52 sec · Hillside Avenue
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21
Arrive at your destination
0 m · 1 sec · Hillside Avenue
Car Route Details
A richer read on the saved driving route between Upper Darby and Trooper.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Mid-County Expressway
Merge slight left onto Mid-County Expressway
3.86 mi · 00h 05m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Rain Showers leaving Upper Darby and Rain Showers near Trooper.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Upper Darby to Trooper?
The road trip is about 21.3 miles (34.3 km) and usually takes 00h 43m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Radnor is a useful midpoint, sitting about 10.6 miles from Upper Darby and 10.6 miles from Trooper.
How much longer is the road route than the straight-line distance?
The direct path is about 16.7 miles (26.9 km), while the road route adds roughly 4.6 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:04 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.06 one way or $6.13 round trip. Estimated CO2 is about 6.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Upper Darby and Rain Showers near Trooper.
Stop Ideas Near Radnor
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Bluestone Lane City Hall Coffee Shop
Dilworth Park
Philadelphia Marriage License
City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Radnor.
Ardmore
Paoli
North Philadelphia station
30th Street Station
Flight Path Map
This map shows the direct air route between Upper Darby and Trooper. Straight-line distance: 16.73 mi (26.92 km).
#1 Upper Darby
Town in Delaware County, Pennsylvania, United States
| Population | 82,883 |
| Coordinates | 39.9284500, -75.2738000 |
| Altitude | 20 |
| Country | United States |
#2 Trooper
Census-designated place in Pennsylvania, USA
| Population | 5,744 |
| Coordinates | 40.1498300, -75.4018500 |
| Altitude | 115 |
| Country | United States |
End: Trooper (-75.40185, 40.14983)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 42m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $3.06 | $6.13 |
| Mid-grade | $4.60 | $3.45 | $6.90 |
| Premium | $4.95 | $3.72 | $7.43 |
| Diesel | $5.98 | $4.49 | $8.97 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.