There are
2,267 mi
from Walnut Creek, CA to New Haven, IN
That's the driving distance. It would take 1 day 15 hours to go from Walnut Creek, California to New Haven, Indiana.
The flight distance (direct flight from Walnut Creek, CA to New Haven, IN) is 1,972.79 mi.
2,267 mi = 3,649.08 kms