| Heiloo to Solofra | 942.08 mi (1,516.13 km) |
| Heiloo to Somma Lombardo | 510.49 mi (821.55 km) |
| Heiloo to Somma Vesuviana | 930.01 mi (1,496.70 km) |
| Heiloo to Sommacampagna | 569.41 mi (916.37 km) |
| Heiloo to Sona | 566.99 mi (912.48 km) |
| Heiloo to Sondrio | 500.81 mi (805.98 km) |
| Heiloo to Sora | 858.91 mi (1,382.29 km) |
| Heiloo to Sorbolo | 595.59 mi (958.50 km) |
| Heiloo to Soresina | 556.21 mi (895.13 km) |
| Heiloo to Sorisole | 523.74 mi (842.88 km) |
| Heiloo to Sorrento | 943.78 mi (1,518.86 km) |
| Heiloo to Sorso | 835.37 mi (1,344.40 km) |
| Heiloo to Sortino | 1,177.14 mi (1,894.42 km) |
| Heiloo to Soverato Marina | 1,115.38 mi (1,795.03 km) |
| Heiloo to Sovicille | 710.18 mi (1,142.93 km) |
