How far is Norristown, PA from King of Prussia, PA?
The driving distance from Norristown, PA to King of Prussia, PA is about 4.7 miles (7.6 km), with a travel time of about 00h 09m by car.
- The straight-line flight distance is about 3.7 miles (6 km).
- For a round trip, plan for roughly 00h 18m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
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 09m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Township in Montgomery County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Norristown and King of Prussia.
Turn-by-Turn Driving Directions
Step-by-step road directions between Norristown and King of Prussia.
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1
Start on Spring Alley
14 m · 3 sec · Spring Alley
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2
Turn slight right onto Powell Street
92 m · 16 sec · Powell Street
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3
Turn right onto West Elm Street
905 ft · 45 sec · West Elm Street
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4
Turn left onto Markley Street
1.2 km · 1 min · Markley Street
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5
Continue on East Dekalb Pike
1 mi · 2 min · East Dekalb Pike
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6
Continue on West Dekalb Pike
2 mi · 4 min · West Dekalb Pike
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7
Turn right onto North Gulph Road
2087 ft · 48 sec · North Gulph Road
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8
Turn right onto Mall Boulevard
1368 ft · 37 sec · Mall Boulevard
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9
Turn right
56 m · 20 sec
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10
Turn left
29 m · 7 sec
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11
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Norristown and King of Prussia.
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.
West Dekalb Pike
Continue on West Dekalb Pike
2.04 mi · 00h 04m
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 Cloudy then Chance Showers And Thunderstorms leaving Norristown 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 Norristown to King of Prussia?
The road trip is about 4.7 miles (7.6 km) and usually takes 00h 09m 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?
West Norriton is a useful midpoint, sitting about 2.4 miles from Norristown and 2.4 miles from King of Prussia.
How much longer is the road route than the straight-line distance?
The direct path is about 3.7 miles (6 km), while the road route adds roughly 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 8:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $0.69 one way or $1.39 round trip. Estimated CO2 is about 1.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around Norristown and Mostly Cloudy then Showers And Thunderstorms Likely near King of Prussia.
Stop Ideas Near West Norriton
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 West Norriton.
Paoli
Ardmore
North Philadelphia station
Exton
Flight Path Map
This map shows the direct air route between Norristown and King of Prussia. Straight-line distance: 3.71 mi (5.97 km).
#1 Norristown
County seat of Montgomery County, Pennsylvania, United States
| Population | 34,323 |
| Coordinates | 40.1215000, -75.3399000 |
| Altitude | 48 |
| 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: 8 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 09m |
| 40 mph (64.37 km/h) | 00h 07m |
| 50 mph (80.47 km/h) | 00h 05m |
| 60 mph (96.56 km/h) | 00h 04m |
| 70 mph (112.65 km/h) | 00h 04m |
| 80 mph (129 km/h) | 00h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $0.69 | $1.39 |
| Mid-grade | $4.60 | $0.78 | $1.56 |
| Premium | $4.95 | $0.84 | $1.68 |
| Diesel | $5.98 | $1.02 | $2.03 |
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.