- Accra, Ghana
- Almere, The Netherlands
- Amsterdam, The Netherlands
- Annapolis, MD, United States
- Baltimore, MD, United States
- Berlin, Germany
- Bluffton, SC, United States
- Bremen, Germany
- Brussels, Belgium
- Catania, Italy
- Chesapeake, VA, United States
- Coimbra, Portugal
- Cork, Ireland
- Den Haag, The Netherlands
- Derby, United Kingdom
- Diemen, The Netherlands
- Dresden, Germany
- Dublin, Ireland
- Emmen, The Netherlands
- Galway, Ireland
- Geneva, Switzerland
- Haarlem, The Netherlands
- Hannover, Germany
- Karlsruhe, Germany
- Kathmandu, Nepal
- Krakow, Poland
- La Paz, Mexico
- Leiden, The Netherlands
- Leuven, Belgium
- Limerick, Ireland
- Lisboa, Portugal
- London, UK
- Luxembourg-Ville, Luxembourg
- Maastricht, The Netherlands
- Madrid, Spain
- Mexico City, Mexico
- Mons, Belgium
- Nairobi, Kenya
- Newport News, VA, United States
- Paris, France
- Port au Prince, Haiti
- Porto, Portugal
- Portsmouth, VA, United States
- Roermond, The Netherlands
- Rotterdam, The Netherlands
- Sao Paulo, Brazil
- Sint-Truiden, Belgium
- South Jersey, NJ, United States
- Tallinn, Estonia
- Talsi, Latvia
- Tilburg, The Netherlands
- Utrecht, The Netherlands
- Verden, Germany
- Wroclaw, Poland
