How Long Is the Drive from Great Smoky Mountains to Knoxville?
The drive from Great Smoky Mountains to Knoxville 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 TimeWeekday mid-day
Fuel Costs
Gas (30 mpg)~1.3 gallons
Est. Cost$4
Best Time to Drive from Great Smoky Mountains to Knoxville
For this shorter drive, the best time to go is weekday mid-day. 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:Weekday mid-day
🔴 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 Great Smoky Mountains to Knoxville?
The drive from Great Smoky Mountains to Knoxville 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 Great Smoky Mountains to Knoxville?
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 Great Smoky Mountains to Knoxville?
Weekday mid-day to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Great Smoky Mountains to Knoxville route?
There may be minor tolls (around $1) on parts of this route. Some sections have toll-free alternatives.
Driving Tips: Great Smoky Mountains to Knoxville
Planning a trip from Great Smoky Mountains to Knoxville? The most common route runs along I-40, covering 39 miles in about 0h 42min. Gas will set you back roughly $4 for the one-way trip. For the best experience, hit the road during weekday mid-day when traffic is lightest.
Covering only 39 miles, this quick trip is ideal for a day outing. Most drivers find the route straightforward, with no need for rest stops unless you prefer a leisurely pace.
