| Hoeilaart to Somma Lombardo | 401.50 mi (646.16 km) |
| Hoeilaart to Somma Vesuviana | 833.75 mi (1,341.78 km) |
| Hoeilaart to Sommacampagna | 473.24 mi (761.61 km) |
| Hoeilaart to Sona | 470.91 mi (757.85 km) |
| Hoeilaart to Sondrio | 402.46 mi (647.69 km) |
| Hoeilaart to Sora | 761.75 mi (1,225.92 km) |
| Hoeilaart to Sorbolo | 493.99 mi (795.01 km) |
| Hoeilaart to Soresina | 452.95 mi (728.95 km) |
| Hoeilaart to Sorisole | 421.37 mi (678.13 km) |
| Hoeilaart to Sorrento | 846.49 mi (1,362.29 km) |
| Hoeilaart to Sorso | 716.37 mi (1,152.88 km) |
| Hoeilaart to Sortino | 1,074.15 mi (1,728.67 km) |
| Hoeilaart to Soverato Marina | 1,021.31 mi (1,643.64 km) |
| Hoeilaart to Sovicille | 606.80 mi (976.55 km) |
| Hoeilaart to Spello | 661.68 mi (1,064.87 km) |
