depends how fast the boat wants to go
A cruise ship can travel from Norfolk, Virginia to Bari, Italy in approximately 6 days 21 hours. The distance is 4,762 miles.
From where?
A plane.
One can take a cruise to several places on the ship Poesia. Poesia is owned and operated by a company called MSC Poesia which cruises from Venice to Italy, Greece and Turkey.
a cruise is organized with stops... one month, probably...
A large cruise ship can take between 6 and 7 hours to get from New Orleans out to the Gulf of Mexico.
Your answer depends on the size and power of the cruise ship, and its capabilities to sail in polar waters -- with icebergs.
about a day maybe
8 to 10 years
8 months
20 minutes
a lot of hours