| Horley to Solofra | 1,011.31 mi (1,627.54 km) |
| Horley to Somma Lombardo | 555.50 mi (893.99 km) |
| Horley to Somma Vesuviana | 995.42 mi (1,601.97 km) |
| Horley to Sommacampagna | 643.78 mi (1,036.07 km) |
| Horley to Sona | 641.64 mi (1,032.61 km) |
| Horley to Sondrio | 573.18 mi (922.44 km) |
| Horley to Sora | 923.36 mi (1,486.00 km) |
| Horley to Sorbolo | 656.21 mi (1,056.07 km) |
| Horley to Soresina | 614.29 mi (988.60 km) |
| Horley to Sorisole | 585.58 mi (942.41 km) |
| Horley to Sorrento | 1,006.45 mi (1,619.72 km) |
| Horley to Sorso | 829.55 mi (1,335.03 km) |
| Horley to Sortino | 1,221.48 mi (1,965.78 km) |
| Horley to Soverato Marina | 1,183.62 mi (1,904.85 km) |
| Horley to Sovicille | 762.27 mi (1,226.75 km) |
