How far is Radnor, PA from Upper Darby, PA?
The driving distance from Radnor, PA to Upper Darby, PA is about 11.7 miles (18.9 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 9.3 miles (15 km).
- For a round trip, plan for roughly 00h 54m 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 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Township of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Driving Route Map
The map below follows the saved road route between Radnor and Upper Darby.
Turn-by-Turn Driving Directions
Step-by-step road directions between Radnor and Upper Darby.
-
1
Start on the route
92 m · 25 sec
-
2
At the end of the road, turn left
534 ft · 44 sec
-
3
At the end of the road, turn left onto Archbishop Carroll Driveway
58 m · 22 sec · Archbishop Carroll Driveway
-
4
Turn left onto Matsonford Road
1077 ft · 31 sec · Matsonford Road
-
5
Turn left onto King of Prussia Road
1.3 km · 2 min · King of Prussia Road
-
6
Turn right onto East Lancaster Avenue
906 ft · 27 sec · East Lancaster Avenue
-
7
Turn left onto I 476 South: Chester
1758 ft · 45 sec
-
8
Merge slight left onto Mid-County Expressway
3.9 mi · 5 min · Mid-County Expressway
-
9
Take the exit slight right toward PA 3: Upper Darby, Broomall
1670 ft · 59 sec
-
10
Turn left onto West Chester Pike
2.5 mi · 5 min · West Chester Pike
-
11
Turn slight right onto Darby Road
144 m · 14 sec · Darby Road
-
12
Continue on Lansdowne Avenue
3 mi · 8 min · Lansdowne Avenue
-
13
Turn right onto West Providence Road
1430 ft · 39 sec · West Providence Road
-
14
Arrive at your destination
0 m · 1 sec · West Providence Road
Car Route Details
A richer read on the saved driving route between Radnor and Upper Darby.
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.
Sunny leaving Radnor and Mostly Clear near Upper Darby.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Radnor to Upper Darby?
The road trip is about 11.7 miles (18.9 km) and usually takes 00h 27m 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?
Lawrence Park is a useful midpoint, sitting about 5.8 miles from Radnor and 5.9 miles from Upper Darby.
How much longer is the road route than the straight-line distance?
The direct path is about 9.3 miles (15 km), while the road route adds roughly 2.4 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 7:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.68 one way or $3.35 round trip. Estimated CO2 is about 3.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Radnor and Mostly Clear near Upper Darby.
Stop Ideas Near Lawrence Park
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 Lawrence Park.
Ardmore
30th Street Station
Paoli
North Philadelphia station
Flight Path Map
This map shows the direct air route between Radnor and Upper Darby. Straight-line distance: 9.33 mi (15.01 km).
#1 Radnor
Unincorporated community in Radnor Township, Pennsylvania, United States
| Population | 31,902 |
| Coordinates | 40.0462200, -75.3599100 |
| Altitude | 132 |
| 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: 19 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 23m |
| 40 mph (64.37 km/h) | 00h 17m |
| 50 mph (80.47 km/h) | 00h 14m |
| 60 mph (96.56 km/h) | 00h 11m |
| 70 mph (112.65 km/h) | 00h 10m |
| 80 mph (129 km/h) | 00h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $1.68 | $3.35 |
| Mid-grade | $4.60 | $1.89 | $3.77 |
| Premium | $4.95 | $2.03 | $4.06 |
| Diesel | $5.98 | $2.45 | $4.90 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.