There are
2,317 mi
from Boise, ID to Gastonia, NC
That's the driving distance. It would take 1 day 16 hours to go from Boise, Idaho to Gastonia, North Carolina.
The flight distance (direct flight from Boise, ID to Gastonia, NC) is 1,941.04 mi.
2,317 mi = 3.22 kms