There are
1,582 mi
from Walnut Creek, CA to Columbus, NE
That's the driving distance. It would take 1 day 2 hours to go from Walnut Creek, California to Columbus, Nebraska.
The flight distance (direct flight from Walnut Creek, CA to Columbus, NE) is 1,331.63 mi.
1,582 mi = 2,546.44 kms