There are
191 mi
from Waterloo, IA to Mendota Heights, MN
That's the driving distance. It would take 4 hours 4 mins to go from Waterloo, Iowa to Mendota Heights, Minnesota.
The flight distance (direct flight from Waterloo, IA to Mendota Heights, MN) is 169.90 mi.
191 mi = 307.98 kms