There are
966 mi
from Topeka, KS to Evanston, WY
That's the driving distance. It would take 16 hours 19 mins to go from Topeka, Kansas to Evanston, Wyoming.
The flight distance (direct flight from Topeka, KS to Evanston, WY) is 819.73 mi.
966 mi = 1,555.30 kms