There are
1,309 mi
from Ogden, UT to Florissant, MO
That's the driving distance. It would take 22 hours 46 mins to go from Ogden, Utah to Florissant, Missouri.
The flight distance (direct flight from Ogden, UT to Florissant, MO) is 1,155.07 mi.
1,309 mi = 1.61 kms