How far is Back Mountain, PA from Upper Darby, PA?
The driving distance from Back Mountain, PA to Upper Darby, PA is about 120.4 miles (193.7 km), with a travel time of about 02h 33m by car.
- The straight-line flight distance is about 104.4 miles (168 km).
- For a round trip, plan for roughly 05h 06m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 33m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Mostly Sunny
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Back Mountain and Upper Darby.
Turn-by-Turn Driving Directions
Step-by-step road directions between Back Mountain and Upper Darby.
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1
Start on the route
2551 ft · 42 sec
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2
Turn right onto Memorial Highway
1.6 mi · 3 min · Memorial Highway
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3
Enter the roundabout and take exit 2 toward Memorial Highway
37 m · 2 sec · Memorial Highway
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4
Exit the roundabout onto Memorial Highway
4.7 mi · 10 min · Memorial Highway
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5
Continue straight
5.5 mi · 8 min
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6
Continue straight
4.3 mi · 7 min
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7
Take the exit slight right toward PATP
1823 ft · 44 sec
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8
Keep slight left to continue on PATP
550 ft · 13 sec
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9
Keep slight left to continue on I 476 South: Allentown
2318 ft · 57 sec
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10
Merge slight left onto Pennsylvania Turnpike Northeast Extension
85.3 mi · 1 hr 32 min · Pennsylvania Turnpike Northeast Extension
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11
Continue on Pennsylvania Turnpike Northeast Extension
1558 ft · 24 sec · Pennsylvania Turnpike Northeast Extension
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12
Keep slight left to continue on Pennsylvania Turnpike Northeast Extension
1179 ft · 18 sec · Pennsylvania Turnpike Northeast Extension
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13
Continue on Mid-County Expressway
10.8 mi · 15 min · Mid-County Expressway
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14
Take the exit slight right toward PA 3: Upper Darby, Broomall
1670 ft · 59 sec
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15
Turn left onto West Chester Pike
2.5 mi · 5 min · West Chester Pike
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16
Turn slight right onto Darby Road
144 m · 14 sec · Darby Road
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17
Continue on Lansdowne Avenue
3 mi · 8 min · Lansdowne Avenue
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18
Turn right onto West Providence Road
1430 ft · 39 sec · West Providence Road
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19
Arrive at your destination
0 m · 1 sec · West Providence Road
Car Route Details
A richer read on the saved driving route between Back Mountain 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 Northeast Extension
Merge slight left onto Pennsylvania Turnpike Northeast Extension
85.3 mi · 01h 32m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Chance Rain Showers then Mostly Sunny leaving Back Mountain and Chance Rain Showers near Upper Darby.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Back Mountain to Upper Darby?
The road trip is about 120.4 miles (193.7 km) and usually takes 02h 33m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Schnecksville is a useful midpoint, sitting about 60.2 miles from Back Mountain and 60.1 miles from Upper Darby.
How much longer is the road route than the straight-line distance?
The direct path is about 104.4 miles (168 km), while the road route adds roughly 16 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.37 one way or $34.73 round trip. Estimated CO2 is about 37.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Mostly Sunny around Back Mountain and Chance Rain Showers near Upper Darby.
Stop Ideas Near Schnecksville
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 Schnecksville.
White Haven, PA
Wilkes-Barre, PA
Paoli
Exton
Flight Path Map
This map shows the direct air route between Back Mountain and Upper Darby. Straight-line distance: 104.37 mi (167.96 km).
#1 Back Mountain
Unincorporated community
| Population | 26,973 |
| Coordinates | 41.3359100, -75.9963100 |
| Altitude | 389 |
| 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: Upper Darby (-75.2738, 39.92845)
Estimated Travel Time
Distance: 194 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 00m |
| 40 mph (64.37 km/h) | 03h 00m |
| 50 mph (80.47 km/h) | 02h 24m |
| 60 mph (96.56 km/h) | 02h 00m |
| 70 mph (112.65 km/h) | 01h 43m |
| 80 mph (129 km/h) | 01h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $17.37 | $34.73 |
| Mid-grade | $4.60 | $19.55 | $39.09 |
| Premium | $4.95 | $21.05 | $42.11 |
| Diesel | $5.98 | $25.42 | $50.83 |
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.