Cities: R
Basking Ridge, 
Comodore Rivadavia, General Roca, 
Hato Rey, 
Koblenz am Rhein, 
Las Rozas, North Ridgeville, Presidente Roque Sáenz Peña, Rafaela, Raleigh, Ravensburg, 
Reading, 
Recanati, Regensburg, Reggio Calabria, Reggio nell'Emilia, Reichenschwand, 
Rennes, Reno, Resistencia, Reutlingen, 
Reykjavík, Richfield, 
Richmond, 
Riga, Rimini, 
Rio de Janeiro, 
Rocha, Rochester, 
Rokiskis, Roma, Rosario, Rosenheim, Roseville, 
Roskilde, Rostock, 
Rotterdam, Río Cuarto, Santa Rosa, 
Trois-Rivières