| Horndean to Solofra | 1,028.58 mi (1,655.34 km) |
| Horndean to Somma Lombardo | 572.97 mi (922.11 km) |
| Horndean to Somma Vesuviana | 1,012.16 mi (1,628.92 km) |
| Horndean to Sommacampagna | 664.51 mi (1,069.42 km) |
| Horndean to Sona | 662.43 mi (1,066.07 km) |
| Horndean to Sondrio | 594.49 mi (956.73 km) |
| Horndean to Sora | 940.33 mi (1,513.32 km) |
| Horndean to Sorbolo | 674.73 mi (1,085.87 km) |
| Horndean to Soresina | 632.92 mi (1,018.58 km) |
| Horndean to Sorisole | 605.17 mi (973.92 km) |
| Horndean to Sorrento | 1,022.70 mi (1,645.88 km) |
| Horndean to Sorso | 835.53 mi (1,344.66 km) |
| Horndean to Sortino | 1,233.85 mi (1,985.69 km) |
| Horndean to Soverato Marina | 1,200.03 mi (1,931.27 km) |
| Horndean to Sovicille | 778.42 mi (1,252.75 km) |
