| Niles to Sestu | 4,781.87 mi (7,695.67 km) |
| Niles to Settimo Torinese | 4,486.87 mi (7,220.92 km) |
| Niles to Seveso | 4,520.48 mi (7,275.01 km) |
| Niles to Sezze | 4,850.76 mi (7,806.55 km) |
| Niles to Siano | 4,946.71 mi (7,960.96 km) |
| Niles to Siena | 4,703.30 mi (7,569.23 km) |
| Niles to Signa | 4,674.51 mi (7,522.90 km) |
| Niles to Silea | 4,642.42 mi (7,471.25 km) |
| Niles to Silvi Paese | 4,846.54 mi (7,799.75 km) |
| Niles to Sinalunga | 4,723.57 mi (7,601.86 km) |
| Niles to Siniscola | 4,753.07 mi (7,649.33 km) |
| Niles to Sinnai | 4,786.43 mi (7,703.01 km) |
| Niles to Siracusa | 5,139.21 mi (8,270.75 km) |
| Niles to Solaro | 4,519.53 mi (7,273.48 km) |
| Niles to Soliera | 4,627.63 mi (7,447.46 km) |
