Miles between Decatur, IL and Florissant, MO

There are
121 mi
from Decatur, IL to Florissant, MO

That's the driving distance. It would take 2 hours 34 mins to go from Decatur, Illinois to Florissant, Missouri.

The flight distance (direct flight from Decatur, IL to Florissant, MO) is 103.05 mi.

121 mi = 194.62 kms