How far is Upper Darby, PA from Whitemarsh, PA?

The driving distance from Upper Darby, PA to Whitemarsh, PA is about 21 miles (33.8 km), with a travel time of about 00h 38m by car.

  • The straight-line flight distance is about 13.7 miles (22.1 km).
  • For a round trip, plan for roughly 01h 16m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
21.01 mi
00h 38m
Flight
13.71 mi
22.07 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Upper Darby.

Flight Distance

Direct air line
13.71 mi
Kilometers
22.07 km
Flight Time
00h 01m

Driving Distance

Road route
21.01 mi
Kilometers
33.81 km
Drive Time
00h 38m

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 38m.

Arrival Snapshot
Arrive in Whitemarsh
Thu, Apr 23, 5:46 AM EDT
Return by in Upper Darby
Thu, Apr 23, 6:24 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Upper Darby
2026-04-23T05:07
Arrive Whitemarsh
Thu, Apr 23, 5:46 AM EDT
Route Timing
00h 38m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:38 AM to 7:38 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:14 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Upper Darby
10:00 PM EDT
Flexible departure

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.

Mid-route stop
Radnor
PA

Unincorporated community in Radnor Township, Pennsylvania, United States

From Upper Darby
10.5 mi
00h 19m
To Whitemarsh
10.5 mi
00h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
51°F
Overnight

Mostly Clear

Starts
Thu, Apr 23 1:00 AM EDT
Wind
5 mph NE
Destination
72°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
5 mph NW

Driving Route Map

The map below follows the saved road route between Upper Darby and Whitemarsh.

Turn-by-Turn Driving Directions

Step-by-step road directions between Upper Darby and Whitemarsh.

  1. 1

    Start on West Providence Road

    1430 ft · 46 sec · West Providence Road

  2. 2

    Turn left onto South Lansdowne Avenue

    3 mi · 8 min · South Lansdowne Avenue

  3. 3

    Continue on Darby Road

    144 m · 14 sec · Darby Road

  4. 4

    Turn slight left onto West Chester Pike

    2.2 mi · 5 min · West Chester Pike

  5. 5

    Take the exit slight right toward I 476 North: Plymouth Meeting

    2005 ft · 59 sec

  6. 6

    Merge slight left onto Mid-County Expressway

    10.6 mi · 14 min · Mid-County Expressway

  7. 7

    Take the exit slight right toward Harrisburg

    1782 ft · 44 sec

  8. 8

    Keep slight left to continue on Plymouth Road

    1259 ft · 33 sec

  9. 9

    Turn right onto Plymouth Road

    1852 ft · 50 sec · Plymouth Road

  10. 10

    Turn left onto Butler Pike

    1020 ft · 25 sec · Butler Pike

  11. 11

    Turn straight onto Militia Hill Road

    1.3 mi · 3 min · Militia Hill Road

  12. 12

    Turn left onto Stenton Avenue

    762 ft · 19 sec · Stenton Avenue

  13. 13

    Turn right onto Militia Hill Road

    1.4 mi · 3 min · Militia Hill Road

  14. 14

    At the end of the road, turn right onto Skippack Pike

    1741 ft · 35 sec · Skippack Pike

  15. 15

    Turn slight left onto Camp Hill Road

    25 m · 3 sec · Camp Hill Road

  16. 16

    Turn right

    35 m · 8 sec

  17. 17

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Upper Darby and Whitemarsh.

OSRM road route
Drive Character

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.

Directions
17 steps
10 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
81 / 100 mi
Decision points by distance
Main Roads
Mid-County Expressway
10.6 mi · 51%
South Lansdowne Avenue
3.01 mi · 14%
Militia Hill Road
2.76 mi · 13%
West Chester Pike
2.24 mi · 11%
Plymouth Road
0.59 mi · 3%
I 476 North
0.38 mi · 2%
Longest Stretch

Mid-County Expressway

Merge slight left onto Mid-County Expressway

10.6 mi · 00h 14m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 38m
Quick drive
Same-Day Return
01h 16m
Round-trip wheel time
Road vs Air
+7.3 mi
13.7 mi direct line
Halfway Stop
Radnor
00h 19m from Upper Darby
Leave By
7:14 PM EDT
Flexible departure
Weather Watch

Mostly Clear leaving Upper Darby and Sunny near Whitemarsh.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Upper Darby to Whitemarsh?

The road trip is about 21 miles (33.8 km) and usually takes 00h 38m 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 10.5 miles from Upper Darby and 10.5 miles from Whitemarsh.

How much longer is the road route than the straight-line distance?

The direct path is about 13.7 miles (22.1 km), while the road route adds roughly 7.3 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:14 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.02 one way or $6.05 round trip. Estimated CO2 is about 6.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Clear around Upper Darby and Sunny near Whitemarsh.

Stop Ideas Near Radnor

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Radnor and the surrounding midpoint area.
Bluestone Lane City Hall Coffee Shop
Coffee break 11.7 mi away

Bluestone Lane City Hall Coffee Shop

Philadelphia , PA
1 S Penn Square, Philadelphia, PA 19107
Rating 4.2/5 163 reviews Coffee shop,Bar,Cafe
Dilworth Park
Scenic stop 11.6 mi away

Dilworth Park

Philadelphia , PA
1 S 15th St, Philadelphia, PA 19102, United States
Rating 4.5/5 7,605 reviews Tourist attraction,Event venue,Park
Philadelphia Marriage License
Meeting point 11.6 mi away

Philadelphia Marriage License

Philadelphia , PA
415 City Hall, 1401 John F Kennedy Blvd, Philadelphia, PA 19107
Rating 4.3/5 45 reviews City government office,Marriage license bureau
City Hall
Nearby stop 11.6 mi away

City Hall

Philadelphia , PA
Philadelphia, PA 19107, United States
Rating 4.3/5 106 reviews Subway station

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Radnor.

RAIL

Ardmore

7 mi away
Station Road and Lancaster Ave.
RAIL

Paoli

11 mi away
13 Lancaster Ave.
RAIL

North Philadelphia station

18 mi away
2900 North Broad St.
RAIL

30th Street Station

18 mi away
2955 Market St.

Flight Path Map

This map shows the direct air route between Upper Darby and Whitemarsh. Straight-line distance: 13.71 mi (22.07 km).

Upper Darby

#1 Upper Darby

Town in Delaware County, Pennsylvania, United States

Population82,883
Coordinates39.9284500, -75.2738000
Altitude20
CountryUnited States
Whitemarsh

#2 Whitemarsh

Township in Montgomery County, Pennsylvania

Population18,584
Coordinates40.1220500, -75.2165700
Altitude56
CountryUnited States
Start: Upper Darby (-75.2738, 39.92845)
End: Whitemarsh (-75.21657, 40.12205)

Estimated Travel Time

Distance: 34 km by road

SpeedTime
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.

One-way fuel
0.74 gal
2.81 L · about $3.02
Round trip
$6.05
1.48 gal · 5.62 L
Estimated CO2
6.6 kg one way
Round trip: 13.2 kg / 29 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $3.02 $6.05
Mid-grade $4.60 $3.40 $6.81
Premium $4.95 $3.67 $7.33
Diesel $5.98 $4.43 $8.85

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

There is no time difference between Upper Darby and Whitemarsh. The current time is 05:07:49.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.