Miles between Billings, MT and Round Rock, TX

There are
1,450 mi
from Billings, MT to Round Rock, TX

That's the driving distance. It would take 1 day 1 hour to go from Billings, Montana to Round Rock, Texas.

The flight distance (direct flight from Billings, MT to Round Rock, TX) is 1,205.58 mi.

1,450 mi = 1.61 kms