There are
2,377 mi
from Walnut Creek, CA to Urbana, OH
That's the driving distance. It would take 1 day 17 hours to go from Walnut Creek, California to Urbana, Ohio.
The flight distance (direct flight from Walnut Creek, CA to Urbana, OH) is 2,046.72 mi.
2,377 mi = 3,825.87 kms