Miles between Decatur, IL and Maryville, TN

There are
531 mi
from Decatur, IL to Maryville, TN

That's the driving distance. It would take 9 hours 56 mins to go from Decatur, Illinois to Maryville, Tennessee.

The flight distance (direct flight from Decatur, IL to Maryville, TN) is 391.87 mi.

531 mi = 854.30 kms