There are
2,605 mi
from Miramar, FL to Rexburg, ID
That's the driving distance. It would take 1 day 23 hours to go from Miramar, Florida to Rexburg, Idaho.
The flight distance (direct flight from Miramar, FL to Rexburg, ID) is 2,148.48 mi.
2,605 mi = 3.22 kms