There are
1,819 mi
from Glendale, CA to Clayton, MO
That's the driving distance. It would take 1 day 7 hours to go from Glendale, California to Clayton, Missouri.
The flight distance (direct flight from Glendale, CA to Clayton, MO) is 1,577.87 mi.
1,819 mi = 2,926.79 kms