Miles between Round Rock, TX and Arnold, MO

There are
823 mi
from Round Rock, TX to Arnold, MO

That's the driving distance. It would take 14 hours 38 mins to go from Round Rock, Texas to Arnold, Missouri.

The flight distance (direct flight from Round Rock, TX to Arnold, MO) is 687.03 mi.

823 mi = 1,324.44 kms