Miles between Thornton, CO and Gretna, LA

There are
1,295 mi
from Thornton, CO to Gretna, LA

That's the driving distance. It would take 23 hours 48 mins to go from Thornton, Colorado to Gretna, Louisiana.

The flight distance (direct flight from Thornton, CO to Gretna, LA) is 1,087.19 mi.

1,295 mi = 1.61 kms