| Grimbergen to Somma Lombardo | 413.27 mi (665.09 km) |
| Grimbergen to Somma Vesuviana | 845.01 mi (1,359.91 km) |
| Grimbergen to Sommacampagna | 484.35 mi (779.48 km) |
| Grimbergen to Sona | 482.00 mi (775.71 km) |
| Grimbergen to Sondrio | 413.64 mi (665.69 km) |
| Grimbergen to Sora | 773.04 mi (1,244.09 km) |
| Grimbergen to Sorbolo | 505.43 mi (813.41 km) |
| Grimbergen to Soresina | 464.46 mi (747.47 km) |
| Grimbergen to Sorisole | 432.81 mi (696.54 km) |
| Grimbergen to Sorrento | 857.81 mi (1,380.51 km) |
| Grimbergen to Sorso | 728.44 mi (1,172.31 km) |
| Grimbergen to Sortino | 1,085.78 mi (1,747.40 km) |
| Grimbergen to Soverato Marina | 1,032.49 mi (1,661.63 km) |
| Grimbergen to Sovicille | 618.38 mi (995.18 km) |
| Grimbergen to Spello | 672.94 mi (1,082.99 km) |
