Washington State–Hyogo Prefecture Aberdeen–Hakui, Ishikawa Prefecture, Kisuga, Fukuoka Prefecture Anacortes–Kisakata, Akita Prefecture Auburn–Kasuga, Hyogo Prefecture Bellevue–Yao, Osaka Prefecture Bellingham–…
Ohio, sister state/prefecture with Saitama Prefecture http://www.pref.saitama.lg.jp/A12/BF00/ohio.htm Cincinnati, Sister city with Gifu Toledo, sister city with Toyohashi, Aichi Middletown, sister city with Furukawa City, Miyagi
Madison–Obihiro, Hokkaido Racine–Oiso, Kanagawa Prefecture Rice Lake, sister city with Miharu, Fukushima Sheboygan, sister city with Tsubame, Niigata. Besides other activities, they have an exchange program for middle school students.…
Idaho Falls–Toukai, Ibaraki Pocatello–Iwamizawa, Hokkaido Sun Valley–Yamanouchi, Saga
Aspen–Shimukappu, Hokkaido Boulder–Yamagata, Yamagata Prefecture Broomfield–Ueda, Nagano Canon City–Kahoku, Yamagata Fujiyoshida, Yamanashi Longmont–Chino, Nagano Prefecture