There are
1,805 mi
from Alameda, CA to Gladstone, MO
That's the driving distance. It would take 1 day 6 hours to go from Alameda, California to Gladstone, Missouri.
The flight distance (direct flight from Alameda, CA to Gladstone, MO) is 1,494.93 mi.
1,805 mi = 1.61 kms