The line says the programme features 110 destinations across 34 countries.
Queen Mary 2 will additionally offer short breaks and cruises in Northern Europe from Southampton.
Queen Victoria will make seven maiden calls, and Queen Elizabeth six.
Angus Struthers, Cunard vice-president marketing, said the line’s summer 2020 programme has been designed to offer our guests more freedom and time to explore some of the world’s “most beautiful and iconic destinations”.
Between March and December 2020, the fleet will travel nearly 170,000 nautical miles.
New itineraries offer greater variety of voyages, destinations and time in port.
The programme features 14 overnight stays and 19 late-evening departures with average time in port of 10 and a half hours.
Queen Mary 2 will sail all 19 additional transatlantic crossings. These include six roundtrip crossings departing Southampton or New York.
It will also sail roundtrip voyages (ex-New York) taking in the Caribbean, New England, Canada and Europe.
Queen Victoria’s maiden calls are Bornholm (Denmark), Riga (Latvia), Ringaskiddy (Ireland), Nordfjordeid (Norway), Leknes (Norway), Bodo (Norway) and Skjolden (Norway).
Ex-Southampton itineraries will sail the Mediterranean, to the Canary Islands and western and Northern Europe, will overnights in Amsterdam, Barcelona, Eykjavik and St Petersburg. There will also be two northern lights voyages to Norway.
Queen Elizabeth, meanwhile, will make five maiden calls - Jakarta (Indonesia), Kushiro (Japan), Ishigaki (Japan), Tokyo (Japan) and Seward (USA).
Guests can take roundtrip voyages from Tokyo and grand voyages covering the North Pacific, East Asia and Australia, with overnight stays in Hong Kong and Singapore. Voyages range from two to 18 nights.
