| Romanshorn to Sentrupert | 292.54 mi (470.80 km) |
| Romanshorn to Sevnica | 301.08 mi (484.54 km) |
| Romanshorn to Sezana | 249.71 mi (401.87 km) |
| Romanshorn to Skocjan | 303.36 mi (488.21 km) |
| Romanshorn to Skofja Loka | 252.75 mi (406.76 km) |
| Romanshorn to Skofljica | 269.97 mi (434.48 km) |
| Romanshorn to Slovenj Gradec | 279.08 mi (449.13 km) |
| Romanshorn to Slovenska Bistrica | 304.06 mi (489.34 km) |
| Romanshorn to Slovenske Konjice | 298.31 mi (480.09 km) |
| Romanshorn to Smarje | 305.10 mi (491.01 km) |
| Romanshorn to Smarjeske Toplice | 301.59 mi (485.36 km) |
| Romanshorn to Smartno | 279.99 mi (450.61 km) |
| Romanshorn to Smartno | 280.90 mi (452.06 km) |
| Romanshorn to Sodrazica | 279.53 mi (449.86 km) |
| Romanshorn to Solcava | 263.51 mi (424.07 km) |
