| Romanshorn to Sonneberg | 209.30 mi (336.83 km) |
| Romanshorn to Sonsbeck | 309.67 mi (498.37 km) |
| Romanshorn to Sonthofen | 43.26 mi (69.61 km) |
| Romanshorn to Spaichingen | 45.57 mi (73.34 km) |
| Romanshorn to Spelle | 342.30 mi (550.88 km) |
| Romanshorn to Spenge | 318.12 mi (511.97 km) |
| Romanshorn to Speyer | 128.52 mi (206.83 km) |
| Romanshorn to Spiesen-Elversberg | 158.29 mi (254.74 km) |
| Romanshorn to Spremberg | 356.70 mi (574.05 km) |
| Romanshorn to Springe | 321.62 mi (517.60 km) |
| Romanshorn to Sprockhovel | 279.25 mi (449.41 km) |
| Romanshorn to Stade | 417.17 mi (671.37 km) |
| Romanshorn to Stadtallendorf | 226.44 mi (364.42 km) |
| Romanshorn to Stadthagen | 329.03 mi (529.53 km) |
| Romanshorn to Stadtlohn | 324.77 mi (522.67 km) |
