Miles between Round Rock, TX and St Charles, MO

There are
809 mi
from Round Rock, TX to St Charles, MO

That's the driving distance. It would take 14 hours 56 mins to go from Round Rock, Texas to St Charles, Missouri.

The flight distance (direct flight from Round Rock, TX to St Charles, MO) is 701.79 mi.

809 mi = 1,301.68 kms