Birmingham–Hitachi, Ibaraki Prefecture Dothan–Sakado, Saitama Prefecture Mobile–Ichihara, Chiba Prefecture Montevallo–Echizen, Fukui Prefecture Tuscaloosa–Narashino, Chiba Prefecture
Alameda–Arita, Saga Prefecture Anaheim–Mito, Ibaraki Prefecture Antioch–Chichibu, Tokyo Bakersfield–Wakayama City, Wakayama Prefecture Berkeley–Sakai, Osaka Prefecture Burbank–Ota, Gunma Prefecture Carson–…
Beaverton–Gotenba, Shizuoka Prefecture Bend–Fujoka, Gunma Prefecture Brookings–Mitsukaido, Ibaraki Prefecture Canby–Kurisawa, Hokkaido Coos Bay–Choshi, Chiba Prefecture Eugene–Kakegawa, Shizuoka Prefecture Forest…
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 News–Neyagawa, Osaka Prefecture Norfolk–Kita Kyushu, Fukuoka Prefecture Richmond, Saitama City, Saitama Prefecture Virginia Beach–Miyazaki City, Miyazaki Prefecture