| Grudziadz to Juprelle | 591.86 mi (952.50 km) |
| Grudziadz to Jurbise | 661.13 mi (1,063.99 km) |
| Grudziadz to Kalmthout | 618.02 mi (994.61 km) |
| Grudziadz to Kampenhout | 625.37 mi (1,006.43 km) |
| Grudziadz to Kapelle-op-den-Bos | 630.85 mi (1,015.26 km) |
| Grudziadz to Kapellen | 620.91 mi (999.26 km) |
| Grudziadz to Kasterlee | 601.49 mi (968.00 km) |
| Grudziadz to Keerbergen | 620.49 mi (998.59 km) |
| Grudziadz to Kinrooi | 572.10 mi (920.71 km) |
| Grudziadz to Knokke-Heist | 667.09 mi (1,073.57 km) |
| Grudziadz to Koekelare | 685.38 mi (1,103.01 km) |
| Grudziadz to Koekelberg | 636.04 mi (1,023.60 km) |
| Grudziadz to Koksijde | 698.62 mi (1,124.33 km) |
| Grudziadz to Kontich | 624.59 mi (1,005.18 km) |
| Grudziadz to Kortemark | 684.26 mi (1,101.20 km) |
