Miles between Ontario, CA and Florissant, MO

There are
1,802 mi
from Ontario, CA to Florissant, MO

That's the driving distance. It would take 1 day 7 hours to go from Ontario, California to Florissant, Missouri.

The flight distance (direct flight from Ontario, CA to Florissant, MO) is 1,547.84 mi.

1,802 mi = 1.61 kms