There are
1,835 mi
from Boise, ID to Madisonville, KY
That's the driving distance. It would take 1 day 7 hours to go from Boise, Idaho to Madisonville, Kentucky.
The flight distance (direct flight from Boise, ID to Madisonville, KY) is 1,562.94 mi.
1,835 mi = 1.61 kms