There are
2,792 mi
from Deerfield Beach, FL to Missoula, MT
That's the driving distance. It would take 2 days 1 hour to go from Deerfield Beach, Florida to Missoula, Montana.
The flight distance (direct flight from Deerfield Beach, FL to Missoula, MT) is 2,327.34 mi.
2,792 mi = 3.22 kms