Miller played for the USA National team in the 1983 World Championships, held in Sao Paulo, Brazil. The team won six games, but lost two against the Soviet Union. In an opening round game, the USA team had a nine-point lead at halftime, but the Soviets came back to take the lead, and a final shot by the USA failed to drop, leaving the USSR team with a one-point victory 85–84, despite 23 points from Miller. The USA team won their next four games, setting up the gold medal game against USSR. This game was also close, and was tied at 82 points each with six seconds to go in the game. The Soviets' Elena Chausova received the inbounds pass and hit the game winning shot in the final seconds, giving the USSR team the gold medal with a score of 84–82. The USA team earned the silver medal. Miller led the team in scoring, averaging 17.6 points per game, and tied for the lead in rebounding at 4.4 per game.