| Erquelinnes to Somma Lombardo | 383.24 mi (616.76 km) |
| Erquelinnes to Somma Vesuviana | 819.31 mi (1,318.54 km) |
| Erquelinnes to Sommacampagna | 460.49 mi (741.09 km) |
| Erquelinnes to Sona | 458.21 mi (737.42 km) |
| Erquelinnes to Sondrio | 389.39 mi (626.67 km) |
| Erquelinnes to Sora | 747.14 mi (1,202.41 km) |
| Erquelinnes to Sorbolo | 478.66 mi (770.34 km) |
| Erquelinnes to Soresina | 437.13 mi (703.50 km) |
| Erquelinnes to Sorisole | 406.24 mi (653.79 km) |
| Erquelinnes to Sorrento | 831.59 mi (1,338.32 km) |
| Erquelinnes to Sorso | 691.32 mi (1,112.57 km) |
| Erquelinnes to Sortino | 1,056.44 mi (1,700.17 km) |
| Erquelinnes to Soverato Marina | 1,007.35 mi (1,621.17 km) |
| Erquelinnes to Sovicille | 590.05 mi (949.59 km) |
| Erquelinnes to Spello | 647.46 mi (1,041.98 km) |
