How Long Is the Drive from Philadelphia to King Of Prussia?
The drive from Philadelphia to King Of Prussia takes approximately 30 min, covering 18 miles via I-95. Under normal conditions, expect to spend around $2 on gas.
Travel time can vary — during rush hour or bad weather, the journey may take 45–51 minutes. For the fastest trip, avoid peak commute hours.
Traffic Estimate
🟢 Light traffic
26 min
🔵 Typical
30 min
🔴 Heavy traffic
44 min
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance18 miles (28 km)
Drive Time30 min
RouteI-95
Best TimeEarly morning (6-8 AM)
Fuel Costs
Gas (30 mpg)~0.6 gallons
Est. Cost$2
Best Time to Drive from Philadelphia to King Of Prussia
For this shorter drive, the best time to go is early morning (6-8 am). Rush hour (7-9 AM and 4-7 PM) can add significant time on this route. Weekends are generally smoother unless it's a holiday.
🟢 Best:Early morning (6-8 AM)
🔴 Avoid:Rush hour (4-7 PM)
Route Tips: I-95
One of the busiest highways on the East Coast. Expect congestion near major cities like New York, Philadelphia, and Washington DC.
This trip can typically be done on a single tank of gas.
Frequently Asked Questions
How long does it take to drive from Philadelphia to King of Prussia?
The drive from Philadelphia to King of Prussia takes approximately 30 min covering 18 miles via I-95. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Philadelphia to King of Prussia?
At 30 MPG and $3.50/gallon, expect to spend approximately $2 on gas for this 18-mile trip. You'll need about 0.6 gallons of fuel.
What is the best time to drive from Philadelphia to King of Prussia?
Early morning (6-8 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Philadelphia to King of Prussia route?
This route is primarily toll-free, though some bridges or tunnels may have small fees.