There are
1,974 mi
from Auburn, WA to Hannibal, MO
That's the driving distance. It would take 1 day 10 hours to go from Auburn, Washington to Hannibal, Missouri.
The flight distance (direct flight from Auburn, WA to Hannibal, MO) is 1,621.10 mi.
1,974 mi = 3,177.29 kms