United States ‧ City of Ontario, San Bernardino County, California
Republic of the Marshall Islands
Commonwealth of Australia ‧ City of Logan, Queensland
Japan ‧ Miyazaki Prefecture
Republic of Korea ‧ Gumi City, North Gyeongsang Province
Czech Republic ‧ City of Brno, South Moravian Region
United Kingdom
Commonwealth of Australia ‧ South Australia
Malaysia ‧ Penang
Japan ‧ Kagawa Prefecture
United States ‧ Territory of Guam
Japan ‧ Kaga City, Ishikawa Prefecture
United States ‧ Washington, D.C.
Malaysia ‧ Kuala Lumpur
Japan ‧ Narita City, Chiba Prefecture
