| Romanshorn to Sucha Beskidzka | 490.21 mi (788.91 km) |
| Romanshorn to Suchanino | 617.29 mi (993.44 km) |
| Romanshorn to Sulechow | 418.50 mi (673.51 km) |
| Romanshorn to Sulecin | 422.85 mi (680.51 km) |
| Romanshorn to Sulejowek | 620.26 mi (998.22 km) |
| Romanshorn to Suwalki | 742.71 mi (1,195.28 km) |
| Romanshorn to Swarzedz | 478.59 mi (770.22 km) |
| Romanshorn to Swidnica | 393.50 mi (633.28 km) |
| Romanshorn to Swidnik | 649.83 mi (1,045.80 km) |
| Romanshorn to Swidwin | 512.83 mi (825.32 km) |
| Romanshorn to Swiebodzice | 388.63 mi (625.44 km) |
| Romanshorn to Swiecie | 567.28 mi (912.95 km) |
| Romanshorn to Swiedbodzin | 424.42 mi (683.05 km) |
| Romanshorn to Swietochlowice | 472.76 mi (760.84 km) |
| Romanshorn to Swinoujscie | 488.06 mi (785.45 km) |
