| Porthcawl to Juprelle | 403.38 mi (649.18 km) |
| Porthcawl to Jurbise | 337.65 mi (543.40 km) |
| Porthcawl to Kalmthout | 351.24 mi (565.27 km) |
| Porthcawl to Kampenhout | 358.39 mi (576.77 km) |
| Porthcawl to Kapelle-op-den-Bos | 349.73 mi (562.84 km) |
| Porthcawl to Kapellen | 350.18 mi (563.55 km) |
| Porthcawl to Kasterlee | 372.84 mi (600.03 km) |
| Porthcawl to Keerbergen | 361.24 mi (581.36 km) |
| Porthcawl to Kinrooi | 407.65 mi (656.05 km) |
| Porthcawl to Knokke-Heist | 300.71 mi (483.95 km) |
| Porthcawl to Koekelare | 289.40 mi (465.75 km) |
| Porthcawl to Koekelberg | 349.96 mi (563.20 km) |
| Porthcawl to Koksijde | 275.12 mi (442.76 km) |
| Porthcawl to Kontich | 352.23 mi (566.86 km) |
| Porthcawl to Kortemark | 292.78 mi (471.18 km) |
