| Mountain Ash to Juprelle | 391.32 mi (629.77 km) |
| Mountain Ash to Jurbise | 326.84 mi (525.99 km) |
| Mountain Ash to Kalmthout | 337.69 mi (543.46 km) |
| Mountain Ash to Kampenhout | 346.06 mi (556.93 km) |
| Mountain Ash to Kapelle-op-den-Bos | 337.24 mi (542.74 km) |
| Mountain Ash to Kapellen | 336.82 mi (542.05 km) |
| Mountain Ash to Kasterlee | 359.56 mi (578.66 km) |
| Mountain Ash to Keerbergen | 348.71 mi (561.19 km) |
| Mountain Ash to Kinrooi | 394.47 mi (634.84 km) |
| Mountain Ash to Knokke-Heist | 287.51 mi (462.70 km) |
| Mountain Ash to Koekelare | 277.15 mi (446.02 km) |
| Mountain Ash to Koekelberg | 337.92 mi (543.83 km) |
| Mountain Ash to Koksijde | 262.95 mi (423.18 km) |
| Mountain Ash to Kontich | 339.38 mi (546.18 km) |
| Mountain Ash to Kortemark | 280.72 mi (451.77 km) |
