There are
1,784 mi
from San Bernardino, CA to Maryland Heights, MO
That's the driving distance. It would take 1 day 7 hours to go from San Bernardino, California to Maryland Heights, Missouri.
The flight distance (direct flight from San Bernardino, CA to Maryland Heights, MO) is 1,521.26 mi.
1,784 mi = 1.61 kms