Gjeldende

  • Bollnäs, Sweden (1950)
  • Burntisland, Scotland, UK (1946)
  • Elbow Lake, United States (1973) 
  • Misburg-Anderten (Hanover), Germany (1971)

Tidligere

  • Kankaanpää, Finland (1950)
  • Morsø, Denmark (1950)