There are
1,698 mi
from Barstow, CA to Farmington, MO
That's the driving distance. It would take 1 day 5 hours to go from Barstow, California to Farmington, Missouri.
The flight distance (direct flight from Barstow, CA to Farmington, MO) is 1,488.47 mi.
1,698 mi = 2,732.69 kms