There are
1,978 mi
from Lexington, KY to Caldwell, ID
That's the driving distance. It would take 1 day 10 hours to go from Lexington, Kentucky to Caldwell, Idaho.
The flight distance (direct flight from Lexington, KY to Caldwell, ID) is 1,714.74 mi.
1,978 mi = 1.61 kms