There are
1,850 mi
from Walnut Creek, CA to Pittsburg, KS
That's the driving distance. It would take 1 day 8 hours to go from Walnut Creek, California to Pittsburg, Kansas.
The flight distance (direct flight from Walnut Creek, CA to Pittsburg, KS) is 1,491.56 mi.
1,850 mi = 2,977.79 kms