Miles between Boulder, CO and San Juan, TX

There are
1,196 mi
from Boulder, CO to San Juan, TX

That's the driving distance. It would take 21 hours 26 mins to go from Boulder, Colorado to San Juan, Texas.

The flight distance (direct flight from Boulder, CO to San Juan, TX) is 1,039.34 mi.

1,196 mi = 1.61 kms