How far is Upper Darby, PA from Thornhurst, PA?
The driving distance from Upper Darby, PA to Thornhurst, PA is about 104.5 miles (168.1 km), with a travel time of about 02h 14m by car.
- The straight-line flight distance is about 87.9 miles (141.4 km).
- For a round trip, plan for roughly 04h 29m 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 14m.
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.
Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Upper Darby and Thornhurst.
Turn-by-Turn Driving Directions
Step-by-step road directions between Upper Darby and Thornhurst.
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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
67.3 mi · 1 hr 13 min · Pennsylvania Turnpike Northeast Extension
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9
Take the exit slight right toward PA 903: Jim Thorpe, Lake Harmony
1728 ft · 42 sec
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10
Keep slight right to continue on PA 903 North: Lake Harmony
72 m · 8 sec
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11
Turn slight right
7.1 mi · 11 min
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12
At the end of the road, turn left
2.1 mi · 3 min
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13
Turn slight left
5.7 mi · 9 min
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14
Turn right onto Buck River Road
3 mi · 5 min · Buck River Road
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15
Continue on River Road
2 mi · 4 min · River Road
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16
Arrive at your destination
0 m · 1 sec · River Road
Car Route Details
A richer read on the saved driving route between Upper Darby and Thornhurst.
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
67.3 mi · 01h 13m
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.
Rain Showers leaving Upper Darby and Rain Showers Likely near Thornhurst.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Upper Darby to Thornhurst?
The road trip is about 104.5 miles (168.1 km) and usually takes 02h 14m 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?
Ancient Oaks is a useful midpoint, sitting about 52.3 miles from Upper Darby and 52.2 miles from Thornhurst.
How much longer is the road route than the straight-line distance?
The direct path is about 87.9 miles (141.4 km), while the road route adds roughly 16.6 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 2:00 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.08 one way or $30.15 round trip. Estimated CO2 is about 32.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Upper Darby and Rain Showers Likely near Thornhurst.
Stop Ideas Near Ancient Oaks
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 Ancient Oaks.
Paoli
White Haven, PA
Exton
Downingtown
Flight Path Map
This map shows the direct air route between Upper Darby and Thornhurst. Straight-line distance: 87.85 mi (141.38 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 Thornhurst
Township in Pennsylvania, United States
| Population | 1,026 |
| Coordinates | 41.1784200, -75.5804700 |
| Altitude | 471 |
| Country | United States |
End: Thornhurst (-75.58047, 41.17842)
Estimated Travel Time
Distance: 168 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 28m |
| 40 mph (64.37 km/h) | 02h 36m |
| 50 mph (80.47 km/h) | 02h 05m |
| 60 mph (96.56 km/h) | 01h 44m |
| 70 mph (112.65 km/h) | 01h 29m |
| 80 mph (129 km/h) | 01h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $15.08 | $30.15 |
| Mid-grade | $4.60 | $16.97 | $33.94 |
| Premium | $4.95 | $18.28 | $36.56 |
| Diesel | $5.98 | $22.07 | $44.13 |
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.