Miles between Thornton, CO and Smyrna, TN

There are
1,178 mi
from Thornton, CO to Smyrna, TN

That's the driving distance. It would take 21 hours 4 mins to go from Thornton, Colorado to Smyrna, Tennessee.

The flight distance (direct flight from Thornton, CO to Smyrna, TN) is 1,038.83 mi.

1,178 mi = 1.61 kms