| Romanshorn to Santa Ursula | 1,914.17 mi (3,080.55 km) |
| Romanshorn to Santander | 696.22 mi (1,120.46 km) |
| Romanshorn to Santany | 647.01 mi (1,041.27 km) |
| Romanshorn to Santiago de Compostela | 926.80 mi (1,491.54 km) |
| Romanshorn to Santiago del Teide | 1,933.53 mi (3,111.71 km) |
| Romanshorn to Santiponce | 1,047.75 mi (1,686.19 km) |
| Romanshorn to Santomera | 840.56 mi (1,352.74 km) |
| Romanshorn to Santona | 681.67 mi (1,097.04 km) |
| Romanshorn to Santurce-Antiguo | 666.89 mi (1,073.26 km) |
| Romanshorn to Sarria | 878.97 mi (1,414.57 km) |
| Romanshorn to Sauzal | 1,909.09 mi (3,072.39 km) |
| Romanshorn to Sedavi | 743.42 mi (1,196.42 km) |
| Romanshorn to Segorbe | 723.93 mi (1,165.06 km) |
| Romanshorn to Segovia | 806.64 mi (1,298.16 km) |
| Romanshorn to Senmanat | 543.14 mi (874.10 km) |
