| Grimbergen to Settimo Torinese | 430.03 mi (692.07 km) |
| Grimbergen to Seveso | 425.65 mi (685.02 km) |
| Grimbergen to Sezze | 771.57 mi (1,241.72 km) |
| Grimbergen to Siano | 856.16 mi (1,377.86 km) |
| Grimbergen to Siena | 618.66 mi (995.64 km) |
| Grimbergen to Signa | 585.01 mi (941.49 km) |
| Grimbergen to Silea | 514.57 mi (828.12 km) |
| Grimbergen to Silvi Paese | 738.90 mi (1,189.14 km) |
| Grimbergen to Sinalunga | 634.81 mi (1,021.63 km) |
| Grimbergen to Siniscola | 759.68 mi (1,222.59 km) |
| Grimbergen to Sinnai | 836.79 mi (1,346.68 km) |
| Grimbergen to Siracusa | 1,097.91 mi (1,766.92 km) |
| Grimbergen to Solaro | 426.12 mi (685.77 km) |
| Grimbergen to Soliera | 524.20 mi (843.62 km) |
| Grimbergen to Solofra | 858.66 mi (1,381.88 km) |
