Austin–Oita, Oita Prefecture Beaumont–Beppu, Oita Prefecture Belton–Ebino, Miyazaki Prefecture Canyon–Minakami, Gunma Corpus Christi–Yokosuka, Chiba Prefecture Fort Worth–Nagaoka, Niigata Prefecture Galveston&…
Allendale–Omachi, Saga Prefecture Elizabeth–Kitami, Hokkaido Marlboro–Nanto, Toyama Prefecture New Brunswick–Fukui, Fukui Prefecture; Tsuruoka, Yamagata Prefecture
Norman–Seika, Kyoto Shawnee–Nikaho, Akita Prefecture Tulsa–Utsunomiya, Tochigi
Bethelhem–Tondabayashi, Osaka Lancaster–Sano, Tochigi Prefecture New Castle–Shinshiro, Aichi Prefecture Philadelphia–Kobe, Hyogo Prefecture Pittsburgh–Saitama City, Saitama Prefecture Upper Darby–Kotoyama, Kochi…
Newport–Shimoda, Shizuoka Prefecture