How far is Upper Darby, PA from South Williamsport, PA?
The driving distance from Upper Darby, PA to South Williamsport, PA is about 175.8 miles (282.9 km), with a travel time of about 03h 31m by car.
- The straight-line flight distance is about 127.7 miles (205.5 km).
- For a round trip, plan for roughly 07h 03m 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 31m.
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 of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Upper Darby and South Williamsport.
Turn-by-Turn Driving Directions
Step-by-step road directions between Upper Darby and South Williamsport.
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1
Start on West Providence Road
1430 ft · 46 sec · West Providence Road
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2
Turn left onto South Lansdowne Avenue
3 mi · 8 min · South Lansdowne Avenue
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3
Continue on Darby Road
144 m · 14 sec · Darby Road
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4
Turn slight left onto West Chester Pike
2.2 mi · 5 min · West Chester Pike
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5
Take the exit slight right toward I 476 North: Plymouth Meeting
2005 ft · 59 sec
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6
Merge slight left onto Mid-County Expressway
10.6 mi · 14 min · Mid-County Expressway
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7
Turn slight left onto Mid-County Expressway
885 ft · 14 sec · Mid-County Expressway
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8
Continue on Pennsylvania Turnpike Northeast Extension
75 mi · 1 hr 21 min · Pennsylvania Turnpike Northeast Extension
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9
Take the exit slight right toward PA 940, I 80: Hazleton, Mount Pocono
1.1 km · 2 min
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10
Keep slight left
879 ft · 24 sec
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11
Keep slight right to continue on I 80 West: Hazleton
1650 ft · 40 sec
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12
Merge slight left onto Keystone Shortway
65.8 mi · 1 hr 13 min · Keystone Shortway
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13
Take the exit slight right toward US 15: Lewisburg, Williamsport
1568 ft · 38 sec
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14
Keep slight right to continue on US 15 North: Williamsport
1888 ft · 41 sec
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15
Merge slight left onto Westbranch Highway
2.6 mi · 4 min · Westbranch Highway
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16
Continue on US Highway 15
11.7 mi · 17 min · US Highway 15
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17
Continue on Montgomery Pike
1.1 mi · 2 min · Montgomery Pike
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18
Continue on Hastings Street
3122 ft · 1 min · Hastings Street
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19
Turn left onto East Southern Avenue
1663 ft · 43 sec · East Southern Avenue
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20
Arrive at your destination
0 m · 1 sec · West Southern Avenue
Car Route Details
A richer read on the saved driving route between Upper Darby and South Williamsport.
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
Continue on Pennsylvania Turnpike Northeast Extension
75 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.
Rain Showers leaving Upper Darby and Rain Showers then Mostly Cloudy near South Williamsport.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Upper Darby to South Williamsport?
The road trip is about 175.8 miles (282.9 km) and usually takes 03h 31m 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?
East Side is a useful midpoint, sitting about 87.9 miles from Upper Darby and 87.9 miles from South Williamsport.
How much longer is the road route than the straight-line distance?
The direct path is about 127.7 miles (205.5 km), while the road route adds roughly 48.1 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 9:56 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.33 one way or $50.67 round trip. Estimated CO2 is about 55.1 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Upper Darby and Rain Showers then Mostly Cloudy near South Williamsport.
Stop Ideas Near East Side
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 East Side.
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Flight Path Map
This map shows the direct air route between Upper Darby and South Williamsport. Straight-line distance: 127.7 mi (205.52 km).
#1 Upper Darby
Town in Delaware County, Pennsylvania, United States
| Population | 82,883 |
| Coordinates | 39.9284500, -75.2738000 |
| Altitude | 20 |
| Country | United States |
#2 South Williamsport
Borough in Lycoming County, Pennsylvania
| Population | 6,064 |
| Coordinates | 41.2320200, -76.9991300 |
| Altitude | 159 |
| Country | United States |
End: South Williamsport (-76.99913, 41.23202)
Estimated Travel Time
Distance: 283 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 51m |
| 40 mph (64.37 km/h) | 04h 23m |
| 50 mph (80.47 km/h) | 03h 30m |
| 60 mph (96.56 km/h) | 02h 55m |
| 70 mph (112.65 km/h) | 02h 30m |
| 80 mph (129 km/h) | 02h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $25.33 | $50.67 |
| Mid-grade | $4.60 | $28.51 | $57.03 |
| Premium | $4.95 | $30.71 | $61.43 |
| Diesel | $5.98 | $37.08 | $74.15 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.