| Killingworth to Sestu | 1,193.43 mi (1,920.63 km) |
| Killingworth to Settimo Torinese | 797.56 mi (1,283.55 km) |
| Killingworth to Seveso | 800.06 mi (1,287.57 km) |
| Killingworth to Sezze | 1,146.75 mi (1,845.51 km) |
| Killingworth to Siano | 1,231.69 mi (1,982.22 km) |
| Killingworth to Siena | 993.53 mi (1,598.93 km) |
| Killingworth to Signa | 960.05 mi (1,545.05 km) |
| Killingworth to Silea | 887.31 mi (1,427.98 km) |
| Killingworth to Silvi Paese | 1,113.99 mi (1,792.80 km) |
| Killingworth to Sinalunga | 1,010.01 mi (1,625.46 km) |
| Killingworth to Siniscola | 1,123.96 mi (1,808.84 km) |
| Killingworth to Sinnai | 1,195.35 mi (1,923.73 km) |
| Killingworth to Siracusa | 1,472.24 mi (2,369.34 km) |
| Killingworth to Solaro | 800.36 mi (1,288.06 km) |
| Killingworth to Soliera | 899.71 mi (1,447.94 km) |
