There are 60-day cruises from the US. Several of them are roundtrip but most are one-way. See the complete schedule of departures below.
60-day cruises depart from Fort Lauderdale, Los Angeles and Miami. So Florida and California are the options.
We also have schedules of 50-day cruises and 100-day cruises.
January 9, 2020: 58-day cruise around South America on Princess Cruises. Round-trip from Fort Lauderdale to Cartagena (Colombia), the Panama Canal, Puntarenas (Costa Rica), Manta (Ecuador), Lima (Peru), Pisco (Peru), Easter Island, La Serena (Chile), Santiago (Chile), Puerto Montt (Chile), Punta Arenas (Chile), Tierra de Fuego (Argentina), Cape Horn, Falkland Islands, Puerto Madryn (Argentina), Buenos Aires (Argentina), Montevideo (Uruguay), Ilhabela (Brazil), Rio de Janeiro (Brazil), Armacao dos Buzios (Brazil), Salvador (Brazil), Devil's Island (French Guiana), Trinidad and Barbados.
Have fun. Explore the world. Take a 60-day cruise.