There are
1,876 mi
from Davis, CA to Hannibal, MO
That's the driving distance. It would take 1 day 8 hours to go from Davis, California to Hannibal, Missouri.
The flight distance (direct flight from Davis, CA to Hannibal, MO) is 1,622.67 mi.
1,876 mi = 3,018.46 kms