There are
2,777 mi
from Boynton Beach, FL to Missoula, MT
That's the driving distance. It would take 2 days 1 hour to go from Boynton Beach, Florida to Missoula, Montana.
The flight distance (direct flight from Boynton Beach, FL to Missoula, MT) is 2,318.41 mi.
2,777 mi = 3.22 kms