| Porthcawl to Karis | 1,204.87 mi (1,939.05 km) |
| Porthcawl to Karkkila | 1,232.62 mi (1,983.71 km) |
| Porthcawl to Kauhajoki | 1,219.79 mi (1,963.06 km) |
| Porthcawl to Kauhava | 1,265.55 mi (2,036.71 km) |
| Porthcawl to Kauniainen | 1,243.05 mi (2,000.49 km) |
| Porthcawl to Kemi | 1,393.15 mi (2,242.06 km) |
| Porthcawl to Kemijarvi | 1,496.32 mi (2,408.09 km) |
| Porthcawl to Kempele | 1,388.81 mi (2,235.07 km) |
| Porthcawl to Kerava | 1,258.65 mi (2,025.60 km) |
| Porthcawl to Keuruu | 1,288.80 mi (2,074.13 km) |
| Porthcawl to Kiiminki | 1,402.83 mi (2,257.64 km) |
| Porthcawl to Kirkkonummi | 1,230.66 mi (1,980.55 km) |
| Porthcawl to Kitee | 1,451.29 mi (2,335.63 km) |
| Porthcawl to Kiuruvesi | 1,381.21 mi (2,222.85 km) |
| Porthcawl to Kivisto | 1,248.81 mi (2,009.77 km) |
