How far is South Union, PA from Upper Darby, PA?
The driving distance from South Union, PA to Upper Darby, PA is about 206.5 miles (332.3 km), with a travel time of about 03h 56m by car.
- The straight-line flight distance is about 144.8 miles (233.1 km).
- For a round trip, plan for roughly 07h 52m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 03h 56m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Borough in southern Luzerne County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between South Union and Upper Darby.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Union and Upper Darby.
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1
Start on South Union Road
25 m · 6 sec · South Union Road
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2
Turn right onto Beck Road
1.5 km · 4 min · Beck Road
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3
Turn right onto Salt Spring Road
1.5 mi · 6 min · Salt Spring Road
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4
At the end of the road, turn left
4.3 mi · 8 min
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5
At the end of the road, turn left onto Blockhouse Road
1901 ft · 40 sec · Blockhouse Road
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6
Turn right onto Route 414
1.1 km · 1 min · Route 414
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7
Take the ramp left
1061 ft · 26 sec
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8
Merge slight left onto Appalachian Thruway
29.2 mi · 34 min · Appalachian Thruway
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9
Take the exit slight right toward US 15 South: Lewisburg
949 ft · 23 sec
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10
Keep slight right
48 m · 6 sec
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11
Merge slight left onto Market Street
1.5 km · 2 min · Market Street
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12
Turn slight left onto Montgomery Pike
1.3 mi · 2 min · Montgomery Pike
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13
Continue on US Highway 15
11.7 mi · 17 min · US Highway 15
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14
Continue on Westbranch Highway
2.9 mi · 4 min · Westbranch Highway
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15
Take the exit slight right toward I 80 East: Bloomsburg
1864 ft · 59 sec
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16
Keep slight left
2393 ft · 58 sec
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17
Merge slight left onto Keystone Shortway
65.7 mi · 1 hr 13 min · Keystone Shortway
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18
Take the exit slight right toward PA 940, PATP, I 476: Wilkes-Barre, Allentown
1.1 km · 1 min
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19
Keep slight left
1217 ft · 32 sec
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20
Keep slight right to continue on I 476 South: Allentown
1303 ft · 32 sec
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21
Merge slight left onto Pennsylvania Turnpike Northeast Extension
74.6 mi · 1 hr 21 min · Pennsylvania Turnpike Northeast Extension
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22
Continue on Pennsylvania Turnpike Northeast Extension
1558 ft · 24 sec · Pennsylvania Turnpike Northeast Extension
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23
Keep slight left to continue on Pennsylvania Turnpike Northeast Extension
1179 ft · 18 sec · Pennsylvania Turnpike Northeast Extension
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24
Continue on Mid-County Expressway
10.8 mi · 15 min · Mid-County Expressway
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25
Take the exit slight right toward PA 3: Upper Darby, Broomall
1670 ft · 59 sec
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26
Turn left onto West Chester Pike
2.5 mi · 5 min · West Chester Pike
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27
Turn slight right onto Darby Road
144 m · 14 sec · Darby Road
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28
Continue on Lansdowne Avenue
3 mi · 8 min · Lansdowne Avenue
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29
Turn right onto West Providence Road
1430 ft · 39 sec · West Providence Road
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30
Arrive at your destination
0 m · 1 sec · West Providence Road
Car Route Details
A richer read on the saved driving route between South Union and Upper Darby.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Pennsylvania Turnpike Northeast Extension
Merge slight left onto Pennsylvania Turnpike Northeast Extension
74.6 mi · 01h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving South Union and Sunny near Upper Darby.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Union to Upper Darby?
The road trip is about 206.5 miles (332.3 km) and usually takes 03h 56m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Freeland is a useful midpoint, sitting about 106.9 miles from South Union and 99.5 miles from Upper Darby.
How much longer is the road route than the straight-line distance?
The direct path is about 144.8 miles (233.1 km), while the road route adds roughly 61.7 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 9:08 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.79 one way or $59.57 round trip. Estimated CO2 is about 64.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around South Union and Sunny near Upper Darby.
Stop Ideas Near Freeland
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 Freeland.
White Haven, PA
Wilkes-Barre, PA
Scranton, PA
Exton
Flight Path Map
This map shows the direct air route between South Union and Upper Darby. Straight-line distance: 144.87 mi (233.14 km).
#1 South Union
Township in Fayette County, Pennsylvania
| Population | 10,106 |
| Coordinates | 41.5681300, -76.9988600 |
| Altitude | 552 |
| 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: 332 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 52m |
| 40 mph (64.37 km/h) | 05h 09m |
| 50 mph (80.47 km/h) | 04h 07m |
| 60 mph (96.56 km/h) | 03h 26m |
| 70 mph (112.65 km/h) | 02h 57m |
| 80 mph (129 km/h) | 02h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $29.79 | $59.57 |
| Mid-grade | $4.60 | $33.53 | $67.05 |
| Premium | $4.95 | $36.11 | $72.23 |
| Diesel | $5.98 | $43.59 | $87.19 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.