| Grimbergen to Ingre | 237.78 mi (382.67 km) |
| Grimbergen to Irigny | 364.00 mi (585.81 km) |
| Grimbergen to Isbergues | 86.85 mi (139.77 km) |
| Grimbergen to Issoire | 375.98 mi (605.08 km) |
| Grimbergen to Issoudun | 295.90 mi (476.21 km) |
| Grimbergen to Issy-les-Moulineaux | 173.46 mi (279.16 km) |
| Grimbergen to Istres | 513.33 mi (826.13 km) |
| Grimbergen to Ivry-sur-Seine | 171.94 mi (276.71 km) |
| Grimbergen to Jarville-la-Malgrange | 176.27 mi (283.68 km) |
| Grimbergen to Jeumont | 45.84 mi (73.77 km) |
| Grimbergen to Joigny | 208.65 mi (335.79 km) |
| Grimbergen to Joinville-le-Pont | 168.89 mi (271.80 km) |
| Grimbergen to Joue-les-Tours | 299.13 mi (481.41 km) |
| Grimbergen to Jouy-le-Moutier | 168.80 mi (271.66 km) |
| Grimbergen to Juvignac | 506.49 mi (815.11 km) |
