| Potters Bar to Solofra | 1,034.87 mi (1,665.46 km) |
| Potters Bar to Somma Lombardo | 579.60 mi (932.77 km) |
| Potters Bar to Somma Vesuviana | 1,019.39 mi (1,640.56 km) |
| Potters Bar to Sommacampagna | 665.07 mi (1,070.33 km) |
| Potters Bar to Sona | 662.88 mi (1,066.80 km) |
| Potters Bar to Sondrio | 594.14 mi (956.18 km) |
| Potters Bar to Sora | 947.23 mi (1,524.42 km) |
| Potters Bar to Sorbolo | 679.28 mi (1,093.19 km) |
| Potters Bar to Soresina | 637.36 mi (1,025.72 km) |
| Potters Bar to Sorisole | 607.96 mi (978.42 km) |
| Potters Bar to Sorrento | 1,030.78 mi (1,658.87 km) |
| Potters Bar to Sorso | 860.18 mi (1,384.33 km) |
| Potters Bar to Sortino | 1,248.30 mi (2,008.95 km) |
| Potters Bar to Soverato Marina | 1,207.70 mi (1,943.61 km) |
| Potters Bar to Sovicille | 786.93 mi (1,266.44 km) |
