| Prasek |
Královéhradecký kraj |
| Princeton |
U.S.A./United States of America/USA |
| Radebeul-Dresden/Radebeul |
Deutschland/Germany/Federal Republic of Germany |
| Ratibor |
Vologodskaya Oblast’ |
| Reggio Calabria |
Italien/Italy |
| Rhode Island |
New England, Northeast |
| Riga |
Latvia |
| Rio de Janeiro |
Brazil/Brasilien |
| Rochester, NY/Rochester |
New York |
| Rostock |
Mecklenburg-Vorpommern |
| Sakawa |
Japan |
| Salzburg |
Land Salzburg/Salzburg |
| Salzwedel |
Sachsen-Anhalt/Saxony-Anhalt |
| Sanremo |
Italien/Italy |
| Santiago del Estero |
Argentina/Argentinien |
| Sassari |
Italien/Italy |
| Sceaux |
Frankreich/France |
| Schladen am Harz/Schladen |
Niedersaschen/Lower Saxony |
| Schleimündung/Schleimünde |
Schleswig-Holstein |
| Schneidemühl/Piła |
Województwo Wielkopolskie/Greater Poland |
| Schönberg/Schonberg |
Iowa |
| Schwäb.Hall/Schwäbisch Hall |
Baden-Württemberg/Württemberg |
| Sendai |
Miyagi |
| Shanghai |
Shanghai (Region) |