| Grimbergen to Impruneta | 594.75 mi (957.15 km) |
| Grimbergen to Induno Olona | 406.08 mi (653.52 km) |
| Grimbergen to Inverigo | 422.13 mi (679.36 km) |
| Grimbergen to Inveruno | 426.82 mi (686.90 km) |
| Grimbergen to Inzago | 440.55 mi (709.00 km) |
| Grimbergen to Iseo | 447.77 mi (720.61 km) |
| Grimbergen to Isernia | 796.77 mi (1,282.28 km) |
| Grimbergen to Isola Capo Rizzuto | 1,031.77 mi (1,660.48 km) |
| Grimbergen to Isola del Liri | 774.07 mi (1,245.74 km) |
| Grimbergen to Isola della Scala | 496.24 mi (798.62 km) |
| Grimbergen to Isola Vicentina | 489.11 mi (787.15 km) |
| Grimbergen to Ispica | 1,106.66 mi (1,781.00 km) |
| Grimbergen to Istrana | 506.77 mi (815.56 km) |
| Grimbergen to Itri | 796.57 mi (1,281.96 km) |
| Grimbergen to Ittiri | 741.57 mi (1,193.44 km) |
