Miles between Boulder, CO and Alton, TX

There are
1,197 mi
from Boulder, CO to Alton, TX

That's the driving distance. It would take 21 hours 32 mins to go from Boulder, Colorado to Alton, Texas.

The flight distance (direct flight from Boulder, CO to Alton, TX) is 1,029.46 mi.

1,197 mi = 1,927.18 kms