| Severn to Sestu | 4,397.81 mi (7,077.59 km) |
| Severn to Settimo Torinese | 4,144.97 mi (6,670.69 km) |
| Severn to Seveso | 4,188.06 mi (6,740.03 km) |
| Severn to Sezze | 4,499.76 mi (7,241.66 km) |
| Severn to Siano | 4,597.12 mi (7,398.35 km) |
| Severn to Siena | 4,359.79 mi (7,016.40 km) |
| Severn to Signa | 4,333.90 mi (6,974.73 km) |
| Severn to Silea | 4,322.12 mi (6,955.77 km) |
| Severn to Silvi Paese | 4,508.13 mi (7,255.13 km) |
| Severn to Sinalunga | 4,380.83 mi (7,050.26 km) |
| Severn to Siniscola | 4,381.21 mi (7,050.88 km) |
| Severn to Sinnai | 4,402.83 mi (7,085.67 km) |
| Severn to Siracusa | 4,764.63 mi (7,667.92 km) |
| Severn to Solaro | 4,186.67 mi (6,737.79 km) |
| Severn to Soliera | 4,294.28 mi (6,910.97 km) |
