| Romanshorn to Schlieren | 43.81 mi (70.50 km) |
| Romanshorn to Schubelbach | 33.64 mi (54.14 km) |
| Romanshorn to Schwyz | 50.23 mi (80.84 km) |
| Romanshorn to Sierre | 122.55 mi (197.22 km) |
| Romanshorn to Sion | 131.41 mi (211.49 km) |
| Romanshorn to Solothurn | 88.58 mi (142.55 km) |
| Romanshorn to Spiez | 100.04 mi (161.00 km) |
| Romanshorn to Spreitenbach | 47.31 mi (76.13 km) |
| Romanshorn to Stafa | 36.85 mi (59.30 km) |
| Romanshorn to Stans | 63.44 mi (102.09 km) |
| Romanshorn to Steffisburg | 97.89 mi (157.54 km) |
| Romanshorn to Stegen | 28.02 mi (45.10 km) |
| Romanshorn to Steinhaus | 47.95 mi (77.17 km) |
| Romanshorn to Suhr | 61.00 mi (98.17 km) |
| Romanshorn to Sursee | 64.17 mi (103.27 km) |
