There are
640 mi
from Omaha, NE to Dyersburg, TN
That's the driving distance. It would take 11 hours 54 mins to go from Omaha, Nebraska to Dyersburg, Tennessee.
The flight distance (direct flight from Omaha, NE to Dyersburg, TN) is 506.95 mi.
640 mi = 1,030.04 kms