There are
1,911 mi
from Boise, ID to Elizabethtown, KY
That's the driving distance. It would take 1 day 8 hours to go from Boise, Idaho to Elizabethtown, Kentucky.
The flight distance (direct flight from Boise, ID to Elizabethtown, KY) is 1,633.55 mi.
1,911 mi = 1.61 kms