| Irthlingborough to Juprelle | 286.55 mi (461.16 km) |
| Irthlingborough to Jurbise | 231.63 mi (372.77 km) |
| Irthlingborough to Kalmthout | 226.31 mi (364.20 km) |
| Irthlingborough to Kampenhout | 241.11 mi (388.02 km) |
| Irthlingborough to Kapelle-op-den-Bos | 231.69 mi (372.87 km) |
| Irthlingborough to Kapellen | 226.46 mi (364.46 km) |
| Irthlingborough to Kasterlee | 249.04 mi (400.79 km) |
| Irthlingborough to Keerbergen | 242.54 mi (390.33 km) |
| Irthlingborough to Kinrooi | 283.73 mi (456.62 km) |
| Irthlingborough to Knokke-Heist | 179.83 mi (289.41 km) |
| Irthlingborough to Koekelare | 175.88 mi (283.06 km) |
| Irthlingborough to Koekelberg | 234.94 mi (378.10 km) |
| Irthlingborough to Koksijde | 163.31 mi (262.82 km) |
| Irthlingborough to Kontich | 231.74 mi (372.96 km) |
| Irthlingborough to Kortemark | 180.47 mi (290.43 km) |
