Miles between Grand Junction, CO and San Marcos, TX

There are
1,100 mi
from Grand Junction, CO to San Marcos, TX

That's the driving distance. It would take 21 hours 20 mins to go from Grand Junction, Colorado to San Marcos, Texas.

The flight distance (direct flight from Grand Junction, CO to San Marcos, TX) is 874.83 mi.

1,100 mi = 1,770.27 kms