Vitkauskas has also climbed the highest peaks in the former Soviet Union: Mount Communism (7,495 m, now Ismoil Somoni) and Korzhenevskaya (7,105 m) in 1989 and Lenin (7,134 m, now Avicenna) and Khan Tengri (6,995 m) in 1990. He participated and organised expeditions to the mountains in the Caucasus, Tien Shan, Altay, Siberia, and Pamir, and skiing expeditions in the Khibins (Kola Peninsula), the Arctic Circle, and the Bering Strait.