There are
824 mi
from Topeka, KS to Denham Springs, LA
That's the driving distance. It would take 15 hours 46 mins to go from Topeka, Kansas to Denham Springs, Louisiana.
The flight distance (direct flight from Topeka, KS to Denham Springs, LA) is 649.88 mi.
824 mi = 1,325.39 kms