A Korean translation of A Voyage to Arcturus came out in 2020, from the publishers Moonhak. Translated by Kang Joo-heon, it seems to have only been published in paperback. The book's page at the publisher's website can be found here.

An Italian translation of A Voyage to Arcturus came out in 2023, from Edizioni Hypnos, an independent publishing house dedicated to weird and fantastic literature, based in Milan.

Viaggio ad Arturo was translated by Elena Furlan, who has also produced translations of works by Robert Aickman, Arthur Conan Doyle, Arthur Machen, Lisa Tuttle and others. The book is available in paperback, ebook and kindle editions. More information, and ordering links, can be found at the publisher's website.