| Widnes to Solofra | 1,190.77 mi (1,916.36 km) |
| Widnes to Somma Lombardo | 736.04 mi (1,184.54 km) |
| Widnes to Somma Vesuviana | 1,175.55 mi (1,891.87 km) |
| Widnes to Sommacampagna | 819.56 mi (1,318.95 km) |
| Widnes to Sona | 817.32 mi (1,315.35 km) |
| Widnes to Sondrio | 748.47 mi (1,204.55 km) |
| Widnes to Sora | 1,103.35 mi (1,775.67 km) |
| Widnes to Sorbolo | 835.08 mi (1,343.93 km) |
| Widnes to Soresina | 793.19 mi (1,276.52 km) |
| Widnes to Sorisole | 763.38 mi (1,228.55 km) |
| Widnes to Sorrento | 1,187.12 mi (1,910.49 km) |
| Widnes to Sorso | 1,015.39 mi (1,634.11 km) |
| Widnes to Sortino | 1,405.37 mi (2,261.72 km) |
| Widnes to Soverato Marina | 1,363.87 mi (2,194.94 km) |
| Widnes to Sovicille | 943.51 mi (1,518.44 km) |
