
Cunard: An overnight stay in Cape Town is one of the delights in store on Cunard's 2020 edition of the World Voyage on Queen Mary 2.

Crystal Cruises: Although Crystal Cruises 105-day 2020 World Cruise from Miami to Rome isn't a full circumnavigation, it does travel a good three-quarters around the globe.

Silversea Cruises: The boutique cruise operator has two different offerings, a classic cruise on board Silver Whisper, and an active cruise on Silver Cloud -- pictured -- that targets more adventurous travelers.

Seabourn: The ultra-luxury cruise line has brought back its world cruise after a six-year hiatus. For 2020, there's a 146-night cruise on offer that departs Miami in an eastward direction.

Viking Cruises: This is the longest world cruise currently on the market, lasting a total of 245 nights, or about eight months at sea.

Regent Cruises: This 131-night world cruise begins in Miami at the start of 2020, before heading west across the Panama Canal.

MSC: The global cruise line's first ever circumnavigation cruise leaves from Genoa, Italy, on MSC Magnifica and returns there 119 days later.

Oceania Cruises: The Insignia will stop at 100 ports in 44 different countries on all six continents during its six-month world cruise in 2020.

Princess: This global cruise line has a 2021 world cruise featuring 50 destinations in 32 countries and six continents, including Tahiti and Sicily.

Costa Cruises: The Italian operator's 2020 world cruise is already sold out. Its 2020 edition departs from Savona in Italy and is set to concentrate on Africa and America rather than a global circumnavigation.


