There are
638 mi
from Topeka, KS to Smyrna, TN
That's the driving distance. It would take 11 hours 55 mins to go from Topeka, Kansas to Smyrna, Tennessee.
The flight distance (direct flight from Topeka, KS to Smyrna, TN) is 545.22 mi.
638 mi = 1,026.31 kms