| Romanshorn to Sabadell | 547.32 mi (880.83 km) |
| Romanshorn to Sabinanigo | 588.11 mi (946.47 km) |
| Romanshorn to Sagunto | 726.18 mi (1,168.68 km) |
| Romanshorn to Salamanca | 869.67 mi (1,399.60 km) |
| Romanshorn to Salobrena | 996.35 mi (1,603.47 km) |
| Romanshorn to Salou | 604.29 mi (972.52 km) |
| Romanshorn to Salt | 502.45 mi (808.62 km) |
| Romanshorn to Salvatierra de Mino | 950.65 mi (1,529.93 km) |
| Romanshorn to Sama | 784.85 mi (1,263.10 km) |
| Romanshorn to San Adrian de Besos | 550.25 mi (885.55 km) |
| Romanshorn to San Agustin de Guadalix | 798.44 mi (1,284.96 km) |
| Romanshorn to San Andres de la Barca | 556.96 mi (896.34 km) |
| Romanshorn to San Andres de Llevaneras | 534.13 mi (859.60 km) |
| Romanshorn to San Andres del Rabanedo | 803.89 mi (1,293.73 km) |
| Romanshorn to San Bartolome | 1,906.27 mi (3,067.84 km) |
