Miles between Thornton, CO and Donna, TX

There are
1,185 mi
from Thornton, CO to Donna, TX

That's the driving distance. It would take 21 hours 14 mins to go from Thornton, Colorado to Donna, Texas.

The flight distance (direct flight from Thornton, CO to Donna, TX) is 1,026.95 mi.

1,185 mi = 1,907.31 kms