There are
2,637 mi
from Boise, ID to Warwick, RI
That's the driving distance. It would take 1 day 22 hours to go from Boise, Idaho to Warwick, Rhode Island.
The flight distance (direct flight from Boise, ID to Warwick, RI) is 2,253.56 mi.
2,637 mi = 3.22 kms