| Porthcawl to Kidricevo | 947.76 mi (1,525.27 km) |
| Porthcawl to Kobarid | 861.43 mi (1,386.33 km) |
| Porthcawl to Kobilje | 963.73 mi (1,550.97 km) |
| Porthcawl to Kocevje | 935.71 mi (1,505.88 km) |
| Porthcawl to Komen | 884.15 mi (1,422.91 km) |
| Porthcawl to Komenda | 902.28 mi (1,452.08 km) |
| Porthcawl to Koper | 893.47 mi (1,437.91 km) |
| Porthcawl to Kostanjevica na Krki | 951.56 mi (1,531.39 km) |
| Porthcawl to Kostel | 942.75 mi (1,517.21 km) |
| Porthcawl to Kozje | 949.09 mi (1,527.42 km) |
| Porthcawl to Kranj | 894.27 mi (1,439.19 km) |
| Porthcawl to Kranjska Gora | 861.62 mi (1,386.65 km) |
| Porthcawl to Krizevci | 956.88 mi (1,539.95 km) |
| Porthcawl to Krsko | 950.30 mi (1,529.35 km) |
| Porthcawl to Kuzma | 945.86 mi (1,522.22 km) |
