How far is Reading, PA from King of Prussia, PA?
The driving distance from Reading, PA to King of Prussia, PA is about 44.4 miles (71.5 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 32.7 miles (52.7 km).
- For a round trip, plan for roughly 01h 48m 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 54m.
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.
Township in Chester County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Mostly Cloudy then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Reading and King of Prussia.
Turn-by-Turn Driving Directions
Step-by-step road directions between Reading and King of Prussia.
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1
Start on Penn Street
829 ft · 24 sec · Penn Street
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2
Turn left onto South 4th Street
2600 ft · 52 sec · South 4th Street
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3
Keep slight right to continue on South 4th Street
83 m · 5 sec · South 4th Street
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4
Continue on Bingaman Street
1457 ft · 29 sec · Bingaman Street
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5
Take the ramp left toward US 422 East: Pottstown, Morgantown
1355 ft · 34 sec
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6
Merge slight right onto West Shore Bypass
2 mi · 3 min · West Shore Bypass
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7
Take the exit slight right toward I 176 South: Morgantown
2135 ft · 46 sec
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8
Continue on Morgantown Expressway
11.4 mi · 13 min · Morgantown Expressway
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9
Keep slight left to continue on I 76 Toll East: Philadelphia
2094 ft · 51 sec
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10
Merge slight left onto Pennsylvania Turnpike
27.5 mi · 29 min · Pennsylvania Turnpike
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11
Take the exit slight right toward I 76 East: Valley Forge, Philadelphia
1.1 km · 2 min
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12
Take the exit slight right toward North Gulph Road, Valley Forge, Village Drive
820 ft · 41 sec
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13
Continue on Village Drive
624 ft · 52 sec · Village Drive
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14
Turn right onto North Gulph Road
1689 ft · 45 sec · North Gulph Road
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15
Turn left onto Mall Boulevard
1381 ft · 34 sec · Mall Boulevard
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16
Turn right
56 m · 20 sec
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17
Turn left
29 m · 7 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Reading and King of Prussia.
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
Merge slight left onto Pennsylvania Turnpike
27.5 mi · 00h 29m
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.
Showers And Thunderstorms leaving Reading and Mostly Cloudy then Showers And Thunderstorms Likely near King of Prussia.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Reading to King of Prussia?
The road trip is about 44.4 miles (71.5 km) and usually takes 00h 54m 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?
East Nantmeal is a useful midpoint, sitting about 22.2 miles from Reading and 22.2 miles from King of Prussia.
How much longer is the road route than the straight-line distance?
The direct path is about 32.7 miles (52.7 km), while the road route adds roughly 11.7 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.42 one way or $12.83 round trip. Estimated CO2 is about 14 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Reading and Mostly Cloudy then Showers And Thunderstorms Likely near King of Prussia.
Stop Ideas Near East Nantmeal
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 Nantmeal.
Downingtown
Exton
Coatesville
Paoli
Flight Path Map
This map shows the direct air route between Reading and King of Prussia. Straight-line distance: 32.78 mi (52.75 km).
#1 Reading
The fourth most populous city in Pennsylvania.
| Population | 88,217 |
| Coordinates | 40.3356500, -75.9268700 |
| Altitude | 93 |
| Country | United States |
#2 King of Prussia
Census-designated place in Montgomery County, Pennsylvania, United States
| Population | 19,936 |
| Coordinates | 40.0892700, -75.3960200 |
| Altitude | 61 |
| Country | United States |
End: King of Prussia (-75.39602, 40.08927)
Estimated Travel Time
Distance: 72 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 28m |
| 40 mph (64.37 km/h) | 01h 06m |
| 50 mph (80.47 km/h) | 00h 53m |
| 60 mph (96.56 km/h) | 00h 44m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $6.42 | $12.83 |
| Mid-grade | $4.60 | $7.22 | $14.44 |
| Premium | $4.95 | $7.78 | $15.56 |
| Diesel | $5.98 | $9.39 | $18.78 |
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 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.