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

The driving distance from Upper Darby, PA to Avalon, PA is about 310.6 miles (499.8 km), with a travel time of about 06h 03m by car.

  • The straight-line flight distance is about 255.9 miles (411.9 km).
  • For a round trip, plan for roughly 12h 06m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
310.56 mi
06h 03m
Flight
255.97 mi
411.94 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Upper Darby.

Flight Distance

Direct air line
255.97 mi
Kilometers
411.94 km
Flight Time
00h 30m

Driving Distance

Road route
310.56 mi
Kilometers
499.79 km
Drive Time
06h 03m

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 06h 03m.

Arrival Snapshot
Arrive in Avalon
Wed, May 13, 11:19 PM EDT
Return by in Upper Darby
Thu, May 14, 5:22 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Upper Darby
2026-05-13T17:16
Arrive Avalon
Wed, May 13, 11:19 PM EDT
Route Timing
06h 03m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
12:03 PM to 1:33 PM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:54 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Upper Darby
8:00 PM EDT
Overnight-style route

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
Shade Gap
PA

Borough of Pennsylvania

From Upper Darby
155 mi
03h 01m
To Avalon
155.5 mi
03h 01m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Today

Partly Sunny

Starts
Wed, May 13 8:00 AM EDT
Wind
15 to 20 mph S
Destination
67°F
Wednesday

Showers And Thunderstorms

Starts
Wed, May 13 6:00 AM EDT
Wind
13 to 16 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    7 mi · 10 min · Mid-County Expressway

  7. 7

    Take the exit slight right toward I 76 West: Valley Forge

    2184 ft · 53 sec

  8. 8

    Merge slight left onto Schuylkill Expressway

    3.7 mi · 5 min · Schuylkill Expressway

  9. 9

    Take the exit slight right toward US 202, US 422 West: King of Prussia, West Chester, Pottstown

    632 ft · 10 sec

  10. 10

    Keep slight left to continue on US 202 South, US 422 West: Mall Boulevard, West Chester, Pottstown, Swedesford Road

    1447 ft · 22 sec

  11. 11

    Keep slight left to continue on Mall Boulevard

    1331 ft · 21 sec

  12. 12

    Keep slight left to continue on I 76 West: New Jersey, Harrisburg

    533 ft · 8 sec

  13. 13

    Merge slight left onto Schuylkill Expressway

    2317 ft · 53 sec · Schuylkill Expressway

  14. 14

    Keep slight left to continue on I 76 West: Harrisburg

    1919 ft · 1 min

  15. 15

    Merge slight left onto Pennsylvania Turnpike

    270.7 mi · 4 hr 55 min · Pennsylvania Turnpike

  16. 16

    Take the exit slight right toward I 376 West, US 22: Pittsburgh, Monroeville

    3142 ft · 3 min

  17. 17

    Keep slight left to continue on US 22 Business, I 376 West, US 22 West: Monroeville, Pittsburgh

    945 ft · 23 sec

  18. 18

    Keep slight right to continue on I 376 West, US 22 West: Pittsburgh

    108 m · 9 sec

  19. 19

    Merge slight right onto Penn-Lincoln Parkway East

    14.2 mi · 20 min · Penn-Lincoln Parkway East

  20. 20

    Take the exit slight right toward I 279 North: Fort Duquesne Bridge, North Shore

    1703 ft · 38 sec

  21. 21

    Continue straight

    1301 ft · 21 sec

  22. 22

    Take the exit slight left toward US 19, PA 65 North: North Shore, Ohio River Boulevard

    105 m · 7 sec

  23. 23

    Keep slight right to continue on US 19 North, PA 65 North

    1531 ft · 33 sec

  24. 24

    Continue on Ohio River Boulevard

    4.6 mi · 9 min · Ohio River Boulevard

  25. 25

    Turn right onto Elizabeth Avenue

    1592 ft · 1 min · Elizabeth Avenue

  26. 26

    At the end of the road, turn left onto California Avenue

    1259 ft · 40 sec · California Avenue

  27. 27

    Turn left

    22 m · 10 sec

  28. 28

    Turn left

    16 m · 4 sec

  29. 29

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
29 steps
7 turns on the saved route
Ramps & Exits
11
5 merges, 6 ramps or exits
Navigation Density
9.3 / 100 mi
Decision points by distance
Main Roads
Pennsylvania Turnpike
271 mi · 87%
Penn-Lincoln Parkway East
14.2 mi · 5%
Mid-County Expressway
7.05 mi · 2%
Ohio River Boulevard
4.6 mi · 1%
Schuylkill Expressway
4.19 mi · 1%
South Lansdowne Avenue
3.01 mi · 1%
Longest Stretch

Pennsylvania Turnpike

Merge slight left onto Pennsylvania Turnpike

271 mi · 04h 55m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 03m
Overnight route
Same-Day Return
12h 06m
Round-trip wheel time
Road vs Air
+54.7 mi
255.9 mi direct line
Halfway Stop
Shade Gap
03h 01m from Upper Darby
Leave By
11:54 PM EDT
Overnight-style route
Weather Watch

Partly Sunny leaving Upper Darby and Showers And Thunderstorms near Avalon.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 310.6 miles (499.8 km) and usually takes 06h 03m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Shade Gap is a useful midpoint, sitting about 155 miles from Upper Darby and 155.5 miles from Avalon.

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

The direct path is about 255.9 miles (411.9 km), while the road route adds roughly 54.7 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $44.78 one way or $89.57 round trip. Estimated CO2 is about 97.4 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Upper Darby and Showers And Thunderstorms near Avalon.

Stop Ideas Near Shade Gap

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

Mid-route Guidance
Local place coverage is thin around Shade Gap, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Shade Gap.

RAIL

Huntingdon

36 mi away
Fourth and Allegheny Sts.
RAIL

Lewistown

51 mi away
150 Helen Street
BUS

Hancock, MD

59 mi away
434 East Main Street
RAIL

Altoona Transportation Center

59 mi away
1231 11th Avenue

Flight Path Map

This map shows the direct air route between Upper Darby and Avalon. Straight-line distance: 255.97 mi (411.94 km).

Upper Darby

#1 Upper Darby

Town in Delaware County, Pennsylvania, United States

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

#2 Avalon

City on Santa Catalina Island in California, United States

Population4,506
Coordinates40.5009000, -80.0675600
Altitude285
CountryUnited States
Start: Upper Darby (-75.2738, 39.92845)
End: Avalon (-80.06756, 40.5009)

Estimated Travel Time

Distance: 500 km by road

SpeedTime
30 mph (48.3 km/h)10h 20m
40 mph (64.37 km/h)07h 45m
50 mph (80.47 km/h)06h 12m
60 mph (96.56 km/h)05h 10m
70 mph (112.65 km/h)04h 26m
80 mph (129 km/h)03h 52m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.96 gal
41.48 L · about $44.78
Round trip
$89.57
21.92 gal · 82.96 L
Estimated CO2
97.4 kg one way
Round trip: 194.8 kg / 429 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $44.78 $89.57
Mid-grade $4.60 $50.41 $100.81
Premium $4.95 $54.30 $108.59
Diesel $5.98 $65.54 $131.08

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 13, 2026

There is no time difference between Upper Darby and Avalon. The current time is 17:16:06.

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.