| Herstal to Somma Lombardo | 372.10 mi (598.84 km) |
| Herstal to Somma Vesuviana | 797.47 mi (1,283.40 km) |
| Herstal to Sommacampagna | 436.23 mi (702.04 km) |
| Herstal to Sona | 433.85 mi (698.21 km) |
| Herstal to Sondrio | 366.31 mi (589.52 km) |
| Herstal to Sora | 725.82 mi (1,168.10 km) |
| Herstal to Sorbolo | 459.93 mi (740.19 km) |
| Herstal to Soresina | 419.78 mi (675.56 km) |
| Herstal to Sorisole | 387.57 mi (623.73 km) |
| Herstal to Sorrento | 810.72 mi (1,304.73 km) |
| Herstal to Sorso | 696.31 mi (1,120.61 km) |
| Herstal to Sortino | 1,041.56 mi (1,676.23 km) |
| Herstal to Soverato Marina | 984.21 mi (1,583.93 km) |
| Herstal to Sovicille | 574.01 mi (923.78 km) |
| Herstal to Spello | 625.57 mi (1,006.75 km) |
