Miles between Round Rock, TX and Frederick, MD

There are
1,492 mi
from Round Rock, TX to Frederick, MD

That's the driving distance. It would take 1 day 2 hours to go from Round Rock, Texas to Frederick, Maryland.

The flight distance (direct flight from Round Rock, TX to Frederick, MD) is 1,297.98 mi.

1,492 mi = 1.61 kms