| Ostrów Wielkopolski | / Województwo Wielkopolskie, Poland / |
| Iława | / Województwo Opolskie, Poland / |
| Goleniów | / Województwo Zachodniopomorskie, Poland / |
| Bogatynia | / Województwo Dolnośląskie, Poland / |
| Postojna | / Občina Postojna, Slovenia / |
| Rijeka | / Sisačko-Moslavačka Županija, Croatia / |
| Villepinte | / Région Languedoc-Roussillon, France / |
| Villepinte | / Région Île-de-France, France / |
| Leverkusen | / Land Nordrhein-Westfalen, Germany / |
| Viersen | / Land Nordrhein-Westfalen, Germany / |
| Beckum | / Land Nordrhein-Westfalen, Germany / |
| Göppingen | / Land Baden-Württemberg, Germany / |
| Schwäbisch Gmünd | / Land Baden-Württemberg, Germany / |
| Tehrān | / Ostān-e Tehrān, Iran / |
| Milani | / Regione Piemonte, Italy / |
| Buenos Aires | / Distrito Federal, Argentina / |
| Harbin | / Heilongjiang Province, China / |
| Oklahoma City | / Oklahoma, USA / |
| Bournemouth | / England, United Kingdom / |
| Delft | / Provincie Zuid-Holland, Netherlands / |
| Metz | / Région Lorraine, France / |
| Malmö | / Skåne Län, Sweden / |
| Venlo | / Provincie Limburg, Netherlands / |
| Tours | / Région Centre, France / |
| Southampton | / England, United Kingdom / |
