| San Marino to Selargius | 6,350.16 mi (10,219.59 km) |
| San Marino to Selvazzano Dentro | 6,114.01 mi (9,839.55 km) |
| San Marino to Senago | 6,020.34 mi (9,688.80 km) |
| San Marino to Senigallia | 6,248.17 mi (10,055.46 km) |
| San Marino to Seravezza | 6,138.34 mi (9,878.71 km) |
| San Marino to Seregno | 6,019.00 mi (9,686.65 km) |
| San Marino to Seriate | 6,033.62 mi (9,710.17 km) |
| San Marino to Sermoneta | 6,357.65 mi (10,231.65 km) |
| San Marino to Serramanna | 6,332.96 mi (10,191.91 km) |
| San Marino to Serravalle Pistoiese | 6,162.91 mi (9,918.25 km) |
| San Marino to Sessa Aurunca | 6,405.34 mi (10,308.40 km) |
| San Marino to Sesto Calende | 5,996.59 mi (9,650.57 km) |
| San Marino to Sesto Fiorentino | 6,178.18 mi (9,942.82 km) |
| San Marino to Sesto San Giovanni | 6,026.13 mi (9,698.11 km) |
| San Marino to Sestri Levante | 6,096.83 mi (9,811.91 km) |
