There are
2,846 mi
from Boise, ID to Key Biscayne, FL

That's the driving distance. It would take 2 days 2 hours to go from Boise, Idaho to Key Biscayne, Florida.

The flight distance (direct flight from Boise, ID to Key Biscayne, FL) is 2,367.91 mi.

2,846 mi = 3.22 kms