| Romanshorn to Seysses | 479.68 mi (771.98 km) |
| Romanshorn to Sin-le-Noble | 342.79 mi (551.66 km) |
| Romanshorn to Six-Fours-les-Plages | 352.86 mi (567.87 km) |
| Romanshorn to Soissons | 303.44 mi (488.35 km) |
| Romanshorn to Soisy-sous-Montmorency | 338.95 mi (545.48 km) |
| Romanshorn to Sollies-Pont | 342.27 mi (550.83 km) |
| Romanshorn to Somain | 336.35 mi (541.30 km) |
| Romanshorn to Sorgues | 327.01 mi (526.28 km) |
| Romanshorn to Sotteville-les-Rouen | 399.21 mi (642.47 km) |
| Romanshorn to Soyaux | 454.31 mi (731.14 km) |
| Romanshorn to Stains | 334.63 mi (538.54 km) |
| Romanshorn to Stiring-Wendel | 158.70 mi (255.40 km) |
| Romanshorn to Strasbourg | 102.43 mi (164.85 km) |
| Romanshorn to Sucy-en-Brie | 325.63 mi (524.05 km) |
| Romanshorn to Suresnes | 340.57 mi (548.10 km) |
