There are
1,019 mi
from Auburndale, FL to Florissant, MO
That's the driving distance. It would take 19 hours 2 mins to go from Auburndale, Florida to Florissant, Missouri.
The flight distance (direct flight from Auburndale, FL to Florissant, MO) is 888.48 mi.
1,019 mi = 1,639.64 kms