| Gradignan to Juprelle | 499.91 mi (804.53 km) |
| Gradignan to Jurbise | 450.63 mi (725.22 km) |
| Gradignan to Kalmthout | 513.19 mi (825.90 km) |
| Gradignan to Kampenhout | 488.60 mi (786.32 km) |
| Gradignan to Kapelle-op-den-Bos | 489.02 mi (787.01 km) |
| Gradignan to Kapellen | 508.47 mi (818.31 km) |
| Gradignan to Kasterlee | 515.87 mi (830.21 km) |
| Gradignan to Keerbergen | 494.09 mi (795.16 km) |
| Gradignan to Kinrooi | 529.04 mi (851.40 km) |
| Gradignan to Knokke-Heist | 488.16 mi (785.62 km) |
| Gradignan to Koekelare | 467.06 mi (751.65 km) |
| Gradignan to Koekelberg | 479.34 mi (771.42 km) |
| Gradignan to Koksijde | 462.46 mi (744.26 km) |
| Gradignan to Kontich | 497.81 mi (801.15 km) |
| Gradignan to Kortemark | 464.16 mi (747.00 km) |
