| San Marino to Sesena | 5,823.34 mi (9,371.77 km) |
| San Marino to Sestao | 5,705.51 mi (9,182.12 km) |
| San Marino to Sevilla | 5,856.57 mi (9,425.24 km) |
| San Marino to Sevilla La Nueva | 5,799.14 mi (9,332.81 km) |
| San Marino to Silla | 5,987.79 mi (9,636.41 km) |
| San Marino to Silleda | 5,527.90 mi (8,896.30 km) |
| San Marino to Sitges | 5,983.71 mi (9,629.85 km) |
| San Marino to Socuellamos | 5,896.35 mi (9,489.26 km) |
| San Marino to Soller | 6,088.23 mi (9,798.05 km) |
| San Marino to Solsona | 5,936.59 mi (9,554.03 km) |
| San Marino to Son Servera | 6,120.21 mi (9,849.53 km) |
| San Marino to Sonseca | 5,831.40 mi (9,384.73 km) |
| San Marino to Sopelana | 5,703.31 mi (9,178.60 km) |
| San Marino to Soria | 5,796.34 mi (9,328.31 km) |
| San Marino to Suances | 5,660.15 mi (9,109.13 km) |
