There are
1,124 mi
from Denver, CO to Radcliff, KY
That's the driving distance. It would take 20 hours 4 mins to go from Denver, Colorado to Radcliff, Kentucky.
The flight distance (direct flight from Denver, CO to Radcliff, KY) is 1,031.55 mi.
1,124 mi = 1,808.46 kms