There are
1,249 mi
from Cheyenne, WY to Mendota, CA
That's the driving distance. It would take 21 hours 25 mins to go from Cheyenne, Wyoming to Mendota, California.
The flight distance (direct flight from Cheyenne, WY to Mendota, CA) is 887.94 mi.
1,249 mi = 2,009.84 kms