There are
426 mi
from Topeka, KS to Bettendorf, IA
That's the driving distance. It would take 7 hours 48 mins to go from Topeka, Kansas to Bettendorf, Iowa.
The flight distance (direct flight from Topeka, KS to Bettendorf, IA) is 324.67 mi.
426 mi = 686.03 kms