| Killingworth to Solofra | 1,234.16 mi (1,986.19 km) |
| Killingworth to Somma Lombardo | 786.66 mi (1,266.00 km) |
| Killingworth to Somma Vesuviana | 1,220.54 mi (1,964.27 km) |
| Killingworth to Sommacampagna | 859.79 mi (1,383.71 km) |
| Killingworth to Sona | 857.44 mi (1,379.92 km) |
| Killingworth to Sondrio | 789.16 mi (1,270.03 km) |
| Killingworth to Sora | 1,148.56 mi (1,848.43 km) |
| Killingworth to Sorbolo | 880.72 mi (1,417.38 km) |
| Killingworth to Soresina | 839.54 mi (1,351.10 km) |
| Killingworth to Sorisole | 808.11 mi (1,300.53 km) |
| Killingworth to Sorrento | 1,233.30 mi (1,984.81 km) |
| Killingworth to Sorso | 1,087.06 mi (1,749.46 km) |
| Killingworth to Sortino | 1,459.86 mi (2,349.42 km) |
| Killingworth to Soverato Marina | 1,407.99 mi (2,265.94 km) |
| Killingworth to Sovicille | 993.08 mi (1,598.20 km) |
