Miles between Thornton, CO and Rio Grande City, TX

There are
1,196 mi
from Thornton, CO to Rio Grande City, TX

That's the driving distance. It would take 21 hours 28 mins to go from Thornton, Colorado to Rio Grande City, Texas.

The flight distance (direct flight from Thornton, CO to Rio Grande City, TX) is 996.93 mi.

1,196 mi = 1.61 kms