There are
1,950 mi
from Walnut Creek, CA to Mendota Heights, MN
That's the driving distance. It would take 1 day 10 hours to go from Walnut Creek, California to Mendota Heights, Minnesota.
The flight distance (direct flight from Walnut Creek, CA to Mendota Heights, MN) is 1,565.25 mi.
1,950 mi = 3,138.65 kms