The Oakland Athletics farm system consists of six Minor League Baseball affiliates across the United States and in the Dominican Republic. Four teams are independently owned, while the Athletics own one complex-based rookie level team in the Arizona Complex League and one in the Dominican Summer League. Geographically, Oakland's closest domestic affiliate is the Single-A Stockton Ports of the California League, which are approximately 51 miles (82 km) away. Their furthest domestic affiliate is the Lansing Lugnuts of the Midwest League, which are approximately 2,331 miles (3,751 km) away.