Shortest distance between Memphis and Knoxville is 348.94 miles (561.57 km).
Flight distance from Memphis, TN to Knoxville, TN is 348.94 miles. Estimated flight time is 00 hours 47 minutes.
It takes 00 hours 42 minutes to travel from Memphis to Knoxville with an airplane (average speed of 550 miles).
The driving distance from Memphis, Tennessee to Knoxville, Tennessee is: 391.15 miles (629.5 km) by car.
Driving from Memphis to Knoxville will take approximately 05 hours 44 minutes.
The distance between Memphis and Knoxville is 630 km if you choose to drive by road. You can go 06 hours 59 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
Please keep in mind that there is a 1 hour time gap between Memphis, TN and Knoxville, TN. The current time in Memphis is 18:54:57, although it is 19:54:57 in Knoxville.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||13 hours 01 minutes|
|40 mph (64.37 km/h)||09 hours 46 minutes|
|50 mph (80.47 km/h)||07 hours 49 minutes|
|60 mph (96.56 km/h)||06 hours 31 minutes|
|70 mph (112.65 km/h)||05 hours 35 minutes|
|75 mph (120.7 km/h)||05 hours 12 minutes|
|80 mph (128.75 km/h)||04 hours 52 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 52.25 liters (13.8 gallon) of gas to cover the route between Memphis and Knoxville.
The estimated cost of gas to go from Memphis to Knoxville is $43.69 (diesel $46.54).
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price per gallon of daily gas for calculations is $3.165 (Diesel $3.372) /gallon. Last changed prices on September 20, 2021.
The place names are translated into coordinates to approximate the distance between Memphis and Knoxville (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.