There are
2,084 mi
from Sunnyvale, CA to Kirkwood, MO
That's the driving distance. It would take 1 day 12 hours to go from Sunnyvale, California to Kirkwood, Missouri.
The flight distance (direct flight from Sunnyvale, CA to Kirkwood, MO) is 1,716.19 mi.
2,084 mi = 3.22 kms