There are
2,156 mi
from Walnut Creek, CA to Mccomb, MS
That's the driving distance. It would take 1 day 14 hours to go from Walnut Creek, California to Mccomb, Mississippi.
The flight distance (direct flight from Walnut Creek, CA to Mccomb, MS) is 1,846.73 mi.
2,156 mi = 3,470.04 kms