Miles between Richardson, TX and Florissant, MO

There are
624 mi
from Richardson, TX to Florissant, MO

That's the driving distance. It would take 11 hours 40 mins to go from Richardson, Texas to Florissant, Missouri.

The flight distance (direct flight from Richardson, TX to Florissant, MO) is 539.66 mi.

624 mi = 1,004.32 kms