Follow signs to I-95 from the port, then, at I-95, follow signs to I-95 NORTH to WEST PALM BEACH. Take I-95 NORTH to PALM BEACH INT'L AIRPORT, which is off EXIT 69.
50 miles taking this route: EXIT the airport, then follow signs to I-95. You want to take I-95 SOUTH to MIAMI. Take I-95 SOUTH to I-595 to PORT EVERGLADES (that's the cruise port) and FT. LAUD.-HLWD...
The distance between the starting point and the destination is 30.5mi, (49km), and with reasonable traffic conditions it will take approximately 40 minutes driving time.