There are
1,940 mi
from Santa Maria, CA to Farmington, MO
That's the driving distance. It would take 1 day 10 hours to go from Santa Maria, California to Farmington, Missouri.
The flight distance (direct flight from Santa Maria, CA to Farmington, MO) is 1,674.05 mi.
1,940 mi = 3,121.89 kms