| Greenford to Sestu | 959.30 mi (1,543.84 km) |
| Greenford to Settimo Torinese | 577.47 mi (929.35 km) |
| Greenford to Seveso | 593.59 mi (955.29 km) |
| Greenford to Sezze | 938.96 mi (1,511.11 km) |
| Greenford to Siano | 1,029.34 mi (1,656.56 km) |
| Greenford to Siena | 785.58 mi (1,264.27 km) |
| Greenford to Signa | 753.57 mi (1,212.75 km) |
| Greenford to Silea | 704.67 mi (1,134.05 km) |
| Greenford to Silvi Paese | 918.33 mi (1,477.91 km) |
| Greenford to Sinalunga | 803.95 mi (1,293.83 km) |
| Greenford to Siniscola | 895.37 mi (1,440.96 km) |
| Greenford to Sinnai | 961.64 mi (1,547.61 km) |
| Greenford to Siracusa | 1,257.79 mi (2,024.22 km) |
| Greenford to Solaro | 593.25 mi (954.74 km) |
| Greenford to Soliera | 698.90 mi (1,124.77 km) |
