There are
1,350 mi
from Fort Worth, TX to Key Biscayne, FL
That's the driving distance. It would take 1 day to go from Fort Worth, Texas to Key Biscayne, Florida.
The flight distance (direct flight from Fort Worth, TX to Key Biscayne, FL) is 1,141.16 mi.
1,350 mi = 1.61 kms