There are
1,843 mi
from Salinas, CA to Gladstone, MO
That's the driving distance. It would take 1 day 8 hours to go from Salinas, California to Gladstone, Missouri.
The flight distance (direct flight from Salinas, CA to Gladstone, MO) is 1,481.46 mi.
1,843 mi = 1.61 kms