Bologna: Perbezaan antara semakan

* {{flagicon|United Kingdom}} [[Coventry]], [[United Kingdom]], sejak 1984

* {{flagicon|Ukraine}} [[Kharkiv]], [[Ukraine]], sejak 1966

* {{flagicon|Argentina}} [[La Plata]], [[Argentina]], sejak 1988

* {{flagicon|Germany}} [[Leipzig]], [[Jerman]], sejak 1962

* {{flagicon|United States}} [[St. Louis, Missouri]], [[Amerika Syarikat]], sejak 1987

* {{flagicon|United States}} [[Portland, Oregon]], [[Amerika Syarikat]], sejak 2003

* {{flagicon|Greece}} [[Thessaloniki]], [[Greece]], sejak 1981

* {{flagicon|Nicaragua}} [[San Carlos, Río San Juan|San Carlos]], [[Nicaragua]], sejak 1988

* {{flagicon|Senegal}} [[Saint-Louis, Senegal]], sejak 1991

* {{flagicon|France}} [[Toulouse]], [[Perancis]], sejak 1981

* {{flagicon|Bosnia and Herzegovina}} [[Tuzla]], [[Bosnia dan Herzegovina]], sejak 1994

* {{flagicon|Spain}} [[Valencia]], [[Sepanyol]], sejak 1976

* {{flagicon|Croatia}} [[Zagreb]], [[Croatia]], sejak 1963.