How far is Philadelphia, PA from Devon, PA?
The driving distance from Philadelphia, PA to Devon, PA is about 21.7 miles (34.9 km), with a travel time of about 00h 35m by car.
- The straight-line flight distance is about 15.5 miles (25 km).
- For a round trip, plan for roughly 01h 11m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EST.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 35m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Montgomery County, Pennsylvania, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Philadelphia and Devon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Philadelphia and Devon.
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1
Start on South Penn Square
121 m · 9 sec · South Penn Square
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2
Keep slight left to continue on East Penn Square
737 ft · 19 sec · East Penn Square
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3
Continue on John F. Kennedy Boulevard
803 ft · 21 sec · John F. Kennedy Boulevard
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4
Turn right onto North 16th Street
2132 ft · 55 sec · North 16th Street
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5
Take the ramp slight right toward I 676 West, US 30 West: International Airport, Valley Forge
1091 ft · 27 sec
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6
Merge slight left onto Vine Street Expressway
1 mi · 2 min · Vine Street Expressway
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7
Merge slight right onto Schuylkill Expressway
14.2 mi · 20 min · Schuylkill Expressway
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8
Take the exit slight right toward King of Prussia, Norristown
1373 ft · 36 sec
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9
Turn slight left onto South Gulph Road
1 mi · 2 min · South Gulph Road
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10
Turn straight onto Croton Road
1.4 mi · 3 min · Croton Road
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11
At the end of the road, turn left onto Croton Road
1.5 km · 2 min · Croton Road
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12
At the end of the road, turn right onto Upper Gulph Road
1.1 mi · 2 min · Upper Gulph Road
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13
Turn straight onto West Conestoga Road
3163 ft · 1 min · West Conestoga Road
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14
Turn left onto North Fairfield Road
754 ft · 33 sec · North Fairfield Road
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15
Arrive at your destination
0 m · 1 sec · North Fairfield Road
Car Route Details
A richer read on the saved driving route between Philadelphia and Devon.
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.
Schuylkill Expressway
Merge slight right onto Schuylkill Expressway
14.2 mi · 00h 20m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Philadelphia and Mostly Cloudy near Devon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Philadelphia to Devon?
The road trip is about 21.7 miles (34.9 km) and usually takes 00h 35m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Conshohocken is a useful midpoint, sitting about 10.8 miles from Philadelphia and 10.9 miles from Devon.
How much longer is the road route than the straight-line distance?
The direct path is about 15.5 miles (25 km), while the road route adds roughly 6.2 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 7:00 AM to 7:00 PM EST. If you want a more comfortable same-day return, try to leave by 7:18 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.39 one way or $6.78 round trip. Estimated CO2 is about 6.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Philadelphia and Mostly Cloudy near Devon.
Stop Ideas Near Conshohocken
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 Conshohocken.
Ardmore
North Philadelphia station
Paoli
30th Street Station
Flight Path Map
This map shows the direct air route between Philadelphia and Devon. Straight-line distance: 15.56 mi (25.04 km).
#1 Philadelphia
The sixth most populous city in the United States and the center of the Philadelphia metropolitan area.
| Population | 1,578,487 |
| Coordinates | 39.9523300, -75.1637900 |
| Altitude | 12 |
| Country | United States |
#2 Devon
Situated within Chester County in southeastern Pennsylvania, this census-designated place sits at an elevation of 499 feet above sea level.
| Population | 0 |
| Coordinates | 40.0492800, -75.4290800 |
| Altitude | 152 |
| Country | United States |
End: Devon (-75.42908, 40.04928)
Estimated Travel Time
Distance: 35 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 43m |
| 40 mph (64.37 km/h) | 00h 32m |
| 50 mph (80.47 km/h) | 00h 26m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.40 | $3.39 | $6.78 |
| Mid-grade | $4.82 | $3.71 | $7.43 |
| Premium | $5.27 | $4.06 | $8.12 |
| Diesel | $6.58 | $5.07 | $10.14 |
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 · Nov 06, 2026