| Romanshorn to Selargius | 574.24 mi (924.14 km) |
| Romanshorn to Selvazzano Dentro | 189.79 mi (305.43 km) |
| Romanshorn to Senago | 137.23 mi (220.85 km) |
| Romanshorn to Senigallia | 324.84 mi (522.78 km) |
| Romanshorn to Seravezza | 249.81 mi (402.03 km) |
| Romanshorn to Seregno | 132.42 mi (213.11 km) |
| Romanshorn to Seriate | 130.94 mi (210.73 km) |
| Romanshorn to Sermoneta | 452.11 mi (727.59 km) |
| Romanshorn to Serramanna | 562.89 mi (905.88 km) |
| Romanshorn to Serravalle Pistoiese | 262.94 mi (423.16 km) |
| Romanshorn to Sessa Aurunca | 492.07 mi (791.91 km) |
| Romanshorn to Sesto Calende | 131.02 mi (210.86 km) |
| Romanshorn to Sesto Fiorentino | 272.63 mi (438.76 km) |
| Romanshorn to Sesto San Giovanni | 140.40 mi (225.94 km) |
| Romanshorn to Sestri Levante | 227.34 mi (365.86 km) |
