There are
2,125 mi
from Walnut Creek, CA to Dyer, IN
That's the driving distance. It would take 1 day 12 hours to go from Walnut Creek, California to Dyer, Indiana.
The flight distance (direct flight from Walnut Creek, CA to Dyer, IN) is 1,840.60 mi.
2,125 mi = 3,419.98 kms