| Grimbergen to Isselburg | 109.25 mi (175.82 km) |
| Grimbergen to Issum | 97.68 mi (157.19 km) |
| Grimbergen to Itzehoe | 299.01 mi (481.21 km) |
| Grimbergen to Jena | 313.54 mi (504.59 km) |
| Grimbergen to Jever | 235.39 mi (378.82 km) |
| Grimbergen to Jork | 287.21 mi (462.23 km) |
| Grimbergen to Juchen | 92.80 mi (149.35 km) |
| Grimbergen to Julich | 86.01 mi (138.42 km) |
| Grimbergen to Juterbog | 380.91 mi (613.01 km) |
| Grimbergen to Kaarst | 98.91 mi (159.18 km) |
| Grimbergen to Kaiserslautern | 181.66 mi (292.35 km) |
| Grimbergen to Kalkar | 99.44 mi (160.04 km) |
| Grimbergen to Kall | 98.36 mi (158.29 km) |
| Grimbergen to Kaltenkirchen | 309.09 mi (497.43 km) |
| Grimbergen to Kamen | 149.00 mi (239.79 km) |
