The Keio Line (京王線, Keiō-sen) is a 37.9-km railway line in western Tokyo, Japan, owned by the private railway operator Keio Corporation. It connects Shinjuku, Tokyo, with the suburban city of Hachiōji. The Keio Line is part of a network with interchanges and through running to other lines of Keio Corporation: the Keio New Line, Keio Sagamihara Line, the Keibajo Line, the Dobutsuen Line, the Takao Line, and the 1,067 mm (3 ft 6 in) gauge Keio Inokashira Line.