There are
798 mi
from Concord, CA to Evanston, WY
That's the driving distance. It would take 13 hours 41 mins to go from Concord, California to Evanston, Wyoming.
The flight distance (direct flight from Concord, CA to Evanston, WY) is 630.80 mi.
798 mi = 1,283.63 kms