How far is Upper Darby, PA from Trappe, PA?
The driving distance from Upper Darby, PA to Trappe, PA is about 28.1 miles (45.3 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 21.6 miles (34.7 km).
- For a round trip, plan for roughly 01h 44m 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 00h 52m.
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 in Montgomery County, Pennsylvania, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Rain Showers
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Upper Darby and Trappe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Upper Darby and Trappe.
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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
3.9 mi · 5 min · Mid-County Expressway
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7
Take the exit slight right toward US 30: Saint Davids, Villanova
1828 ft · 47 sec
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8
Continue on King of Prussia Road
2 mi · 4 min · King of Prussia Road
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9
Turn left onto Upper Gulph Road
1.6 km · 2 min · Upper Gulph Road
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10
Turn right onto Radnor Road
2918 ft · 1 min · Radnor Road
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11
At the end of the road, turn right onto Croton Road
1767 ft · 46 sec · Croton Road
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12
At the end of the road, turn left onto South Warner Road
1.2 km · 2 min · South Warner Road
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13
Turn left onto Devon Park Drive
1289 ft · 31 sec · Devon Park Drive
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14
Take the ramp slight right toward US 202 North, US 422 West: King of Prussia, Pottstown
76 m · 7 sec
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15
Keep slight left to continue on US 422 West: Pottstown
1802 ft · 44 sec
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16
Continue on County Line Expressway
2.1 mi · 3 min · County Line Expressway
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17
Continue on Pottstown Expressway
6 mi · 8 min · Pottstown Expressway
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18
Take the exit slight right toward PA 29: Phoenixville, Collegeville
1217 ft · 32 sec
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19
Turn left onto South Collegeville Road
2544 ft · 59 sec · South Collegeville Road
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20
Turn sharp right onto Black Rock Road
1.1 mi · 2 min · Black Rock Road
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21
Turn right onto South Trappe Road
1.7 mi · 3 min · South Trappe Road
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22
Continue on West 3rd Avenue
1.2 km · 2 min · West 3rd Avenue
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23
Turn left onto West Main Street
1704 ft · 42 sec · West Main Street
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24
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Upper Darby and Trappe.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Pottstown Expressway
Continue on Pottstown Expressway
6.02 mi · 00h 08m
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.
Partly Sunny then Slight Chance Rain Showers leaving Upper Darby and Mostly Cloudy near Trappe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Upper Darby to Trappe?
The road trip is about 28.1 miles (45.3 km) and usually takes 00h 52m 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?
King of Prussia is a useful midpoint, sitting about 14.1 miles from Upper Darby and 14.1 miles from Trappe.
How much longer is the road route than the straight-line distance?
The direct path is about 21.6 miles (34.7 km), while the road route adds roughly 6.5 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 4:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.05 one way or $8.09 round trip. Estimated CO2 is about 8.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Rain Showers around Upper Darby and Mostly Cloudy near Trappe.
Stop Ideas Near King of Prussia
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Bluestone Lane City Hall Coffee Shop
Dilworth Park
Philadelphia Marriage License
City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to King of Prussia.
Paoli
Ardmore
Exton
North Philadelphia station
Flight Path Map
This map shows the direct air route between Upper Darby and Trappe. Straight-line distance: 21.54 mi (34.67 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 Trappe
Town of the United States
| Population | 3,740 |
| Coordinates | 40.1989900, -75.4762900 |
| Altitude | 88 |
| Country | United States |
End: Trappe (-75.47629, 40.19899)
Estimated Travel Time
Distance: 45 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 56m |
| 40 mph (64.37 km/h) | 00h 42m |
| 50 mph (80.47 km/h) | 00h 33m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.05 | $8.09 |
| Mid-grade | $4.60 | $4.55 | $9.11 |
| Premium | $4.95 | $4.90 | $9.81 |
| Diesel | $5.98 | $5.92 | $11.84 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.