| Waltham Cross to Solofra | 1,029.46 mi (1,656.76 km) |
| Waltham Cross to Somma Lombardo | 574.31 mi (924.26 km) |
| Waltham Cross to Somma Vesuviana | 1,014.04 mi (1,631.95 km) |
| Waltham Cross to Sommacampagna | 659.43 mi (1,061.25 km) |
| Waltham Cross to Sona | 657.23 mi (1,057.71 km) |
| Waltham Cross to Sondrio | 588.48 mi (947.06 km) |
| Waltham Cross to Sora | 941.87 mi (1,515.79 km) |
| Waltham Cross to Sorbolo | 673.84 mi (1,084.44 km) |
| Waltham Cross to Soresina | 631.92 mi (1,016.98 km) |
| Waltham Cross to Sorisole | 602.45 mi (969.55 km) |
| Waltham Cross to Sorrento | 1,025.47 mi (1,650.34 km) |
| Waltham Cross to Sorso | 856.07 mi (1,377.71 km) |
| Waltham Cross to Sortino | 1,243.37 mi (2,001.01 km) |
| Waltham Cross to Soverato Marina | 1,202.36 mi (1,935.01 km) |
| Waltham Cross to Sovicille | 781.69 mi (1,258.01 km) |
