| Porthcawl to Koscian | 867.59 mi (1,396.25 km) |
| Porthcawl to Koscielisko | 1,044.98 mi (1,681.73 km) |
| Porthcawl to Koscierzyna | 919.70 mi (1,480.11 km) |
| Porthcawl to Kostrzyn | 889.93 mi (1,432.20 km) |
| Porthcawl to Kostrzyn nad Odra | 781.87 mi (1,258.30 km) |
| Porthcawl to Koszalin | 847.39 mi (1,363.74 km) |
| Porthcawl to Kowary | 845.24 mi (1,360.28 km) |
| Porthcawl to Kozienice | 1,080.18 mi (1,738.38 km) |
| Porthcawl to Kozuchow | 825.39 mi (1,328.34 km) |
| Porthcawl to Kozy | 1,002.16 mi (1,612.81 km) |
| Porthcawl to Krakow | 1,032.53 mi (1,661.69 km) |
| Porthcawl to Krapkowice | 941.35 mi (1,514.96 km) |
| Porthcawl to Krasnik | 1,116.46 mi (1,796.77 km) |
| Porthcawl to Krasnystaw | 1,156.62 mi (1,861.40 km) |
| Porthcawl to Krosno | 1,117.28 mi (1,798.09 km) |
