There are
2,659 mi
from Boise, ID to Leominster, MA
That's the driving distance. It would take 1 day 23 hours to go from Boise, Idaho to Leominster, Massachusetts.
The flight distance (direct flight from Boise, ID to Leominster, MA) is 2,219.12 mi.
2,659 mi = 3.22 kms