There are
2,420 mi
from Walnut Creek, CA to Elyria, OH
That's the driving distance. It would take 1 day 18 hours to go from Walnut Creek, California to Elyria, Ohio.
The flight distance (direct flight from Walnut Creek, CA to Elyria, OH) is 2,120.60 mi.
2,420 mi = 3,895.13 kms