There are
1,637 mi
from Boise, ID to Edwardsville, IL
That's the driving distance. It would take 1 day 4 hours to go from Boise, Idaho to Edwardsville, Illinois.
The flight distance (direct flight from Boise, ID to Edwardsville, IL) is 1,399.52 mi.
1,637 mi = 1.61 kms