| Pen-y-Bont ar Ogwr to Juprelle | 398.73 mi (641.69 km) |
| Pen-y-Bont ar Ogwr to Jurbise | 333.18 mi (536.21 km) |
| Pen-y-Bont ar Ogwr to Kalmthout | 346.38 mi (557.44 km) |
| Pen-y-Bont ar Ogwr to Kampenhout | 353.69 mi (569.21 km) |
| Pen-y-Bont ar Ogwr to Kapelle-op-den-Bos | 345.01 mi (555.24 km) |
| Pen-y-Bont ar Ogwr to Kapellen | 345.34 mi (555.77 km) |
| Pen-y-Bont ar Ogwr to Kasterlee | 368.02 mi (592.27 km) |
| Pen-y-Bont ar Ogwr to Keerbergen | 356.51 mi (573.75 km) |
| Pen-y-Bont ar Ogwr to Kinrooi | 402.84 mi (648.31 km) |
| Pen-y-Bont ar Ogwr to Knokke-Heist | 295.89 mi (476.19 km) |
| Pen-y-Bont ar Ogwr to Koekelare | 284.70 mi (458.19 km) |
| Pen-y-Bont ar Ogwr to Koekelberg | 345.30 mi (555.71 km) |
| Pen-y-Bont ar Ogwr to Koksijde | 270.43 mi (435.21 km) |
| Pen-y-Bont ar Ogwr to Kontich | 347.46 mi (559.18 km) |
| Pen-y-Bont ar Ogwr to Kortemark | 288.11 mi (463.66 km) |
