Miles between Longmont, CO and Rio Grande City, TX

There are
1,210 mi
from Longmont, CO to Rio Grande City, TX

That's the driving distance. It would take 21 hours 56 mins to go from Longmont, Colorado to Rio Grande City, Texas.

The flight distance (direct flight from Longmont, CO to Rio Grande City, TX) is 1,018.65 mi.

1,210 mi = 1.61 kms