| Hillsborough to Sestu | 4,256.64 mi (6,850.39 km) |
| Hillsborough to Settimo Torinese | 4,001.78 mi (6,440.25 km) |
| Hillsborough to Seveso | 4,044.62 mi (6,509.18 km) |
| Hillsborough to Sezze | 4,357.00 mi (7,011.91 km) |
| Hillsborough to Siano | 4,454.35 mi (7,168.58 km) |
| Hillsborough to Siena | 4,216.72 mi (6,786.15 km) |
| Hillsborough to Signa | 4,190.72 mi (6,744.32 km) |
| Hillsborough to Silea | 4,178.44 mi (6,724.55 km) |
| Hillsborough to Silvi Paese | 4,364.94 mi (7,024.69 km) |
| Hillsborough to Sinalunga | 4,237.74 mi (6,819.98 km) |
| Hillsborough to Siniscola | 4,239.34 mi (6,822.56 km) |
| Hillsborough to Sinnai | 4,261.63 mi (6,858.44 km) |
| Hillsborough to Siracusa | 4,623.08 mi (7,440.12 km) |
| Hillsborough to Solaro | 4,043.24 mi (6,506.96 km) |
| Hillsborough to Soliera | 4,150.89 mi (6,680.21 km) |
