There are
2,238 mi
from Walnut Creek, CA to Noblesville, IN
That's the driving distance. It would take 1 day 15 hours to go from Walnut Creek, California to Noblesville, Indiana.
The flight distance (direct flight from Walnut Creek, CA to Noblesville, IN) is 1,929.14 mi.
2,238 mi = 3,601.59 kms