| Porthcawl to Kenosha (Wisconsin) | 3,788.97 mi (6,097.75 km) |
| Porthcawl to Kent (Ohio) | 3,596.36 mi (5,787.78 km) |
| Porthcawl to Kent (Washington) | 4,698.91 mi (7,562.16 km) |
| Porthcawl to Kentwood (Michigan) | 3,687.15 mi (5,933.89 km) |
| Porthcawl to Kerman (California) | 5,233.99 mi (8,423.29 km) |
| Porthcawl to Kernersville (North Carolina) | 3,771.83 mi (6,070.17 km) |
| Porthcawl to Kerrville (Texas) | 4,842.78 mi (7,793.71 km) |
| Porthcawl to Kettering (Maryland) | 3,509.46 mi (5,647.94 km) |
| Porthcawl to Kettering (Ohio) | 3,773.15 mi (6,072.30 km) |
| Porthcawl to Kewanee (Illinois) | 3,929.52 mi (6,323.95 km) |
| Porthcawl to Key Biscayne (Florida) | 4,279.50 mi (6,887.18 km) |
| Porthcawl to Key Largo (Florida) | 4,318.66 mi (6,950.21 km) |
| Porthcawl to Key West (Florida) | 4,405.22 mi (7,089.52 km) |
| Porthcawl to Keystone (Florida) | 4,261.05 mi (6,857.50 km) |
| Porthcawl to Kihei (Hawaii) | 7,179.25 mi (11,553.88 km) |
