Tokushima – Japão (1969) | http://www.city.tokushima.tokushima.jp/english/
Setúbal – Portugal (1982) | http://www.mun-setubal.pt/
Saint-Maur-des-Fossés - França (1982) | http://www.saint-maur.com/
Maringá – Brasil (1982) | http://www2.maringa.pr.gov.br/site/
Olivenza - Espanha (1984) | http://www.ayuntamientodeolivenza.com/
Rheine – Alemanha (1996) | www.rheine.de
Halton – Reino Unido (1997) | http://www.halton.com/en_GB/
Olavarria – Argentina (1992) | http://www.olavarria.gov.ar/
Quint-Fonsegrives – França (2013) | http://www.quint-fonsegrives.fr/
Penglai – China (2014) | http://www.china.org.cn/world/2015-02/06/content_34756858.htm
