How Long Is the Drive from Knoxville to Great Smoky Mountains?
The drive from Knoxville to Great Smoky Mountains takes approximately 0h 42min, covering 39 miles via I-40. Under normal conditions, expect to spend around $4 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 1–2+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
36 min
🔵 Typical
0h 42min
🔴 Heavy traffic
1h 1m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance39 miles (62 km)
Drive Time0h 42min
RouteI-40
Best TimeLate evening (8-10 PM)
Fuel Costs
Gas (30 mpg)~1.3 gallons
Est. Cost$4
Best Time to Drive from Knoxville to Great Smoky Mountains
For this shorter drive, the best time to go is late evening (8-10 pm). 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:Late evening (8-10 PM)
🔴 Avoid:Rush hour (4-7 PM)
Route Tips: I-40
Plan rest stops every 2-3 hours on longer drives. Check traffic conditions before departure and keep your tank above quarter-full.
This trip can typically be done on a single tank of gas.
Frequently Asked Questions
How long does it take to drive from Knoxville to Great Smoky Mountains?
The drive from Knoxville to Great Smoky Mountains takes approximately 0h 42min covering 39 miles via I-40. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Knoxville to Great Smoky Mountains?
At 30 MPG and $3.50/gallon, expect to spend approximately $4 on gas for this 39-mile trip. You'll need about 1.3 gallons of fuel.
What is the best time to drive from Knoxville to Great Smoky Mountains?
Late evening (8-10 PM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Knoxville to Great Smoky Mountains route?
There may be minor tolls (around $1) on parts of this route. Some sections have toll-free alternatives.
Driving Tips: Knoxville to Great Smoky Mountains
The journey from Knoxville to Great Smoky Mountains stretches 39 miles along I-40 and typically takes 0h 42min to complete. At today's fuel prices, expect to spend around $4 on gas. Departing during late evening (8-10 pm) gives you the best chance of avoiding congestion along the way.
With a distance of 39 miles, you can be at your destination in well under two hours. It's a great option for a spontaneous weekend excursion without the hassle of an overnight stay.
