Miles between Boulder, CO and Rockwall, TX

There are
820 mi
from Boulder, CO to Rockwall, TX

That's the driving distance. It would take 15 hours 15 mins to go from Boulder, Colorado to Rockwall, Texas.

The flight distance (direct flight from Boulder, CO to Rockwall, TX) is 691.56 mi.

820 mi = 1,319.32 kms