Milas was also a member of the senior men's Greek national basketball team. He was an international player with the Greek men's national team in 8 games. He played at the EuroBasket 1949 in Egypt, where he won a bronze medal, and at the EuroBasket 1951. Milas also played at the 1951 Mediterranean Games, and the 1952 Summer Olympics basketball tournament of Helsinky, (two loses against Hungary and Israel).