| Porthcawl to Livermore (California) | 5,232.84 mi (8,421.44 km) |
| Porthcawl to Livingston (California) | 5,217.48 mi (8,396.72 km) |
| Porthcawl to Livonia (Michigan) | 3,621.68 mi (5,828.53 km) |
| Porthcawl to Lochearn (Maryland) | 3,486.93 mi (5,611.67 km) |
| Porthcawl to Lockhart (Florida) | 4,187.17 mi (6,738.59 km) |
| Porthcawl to Lockhart (Texas) | 4,793.76 mi (7,714.81 km) |
| Porthcawl to Lockport (Illinois) | 3,840.00 mi (6,179.88 km) |
| Porthcawl to Lockport (New York) | 3,402.64 mi (5,476.01 km) |
| Porthcawl to Lodi (California) | 5,193.62 mi (8,358.32 km) |
| Porthcawl to Lodi (New Jersey) | 3,311.48 mi (5,329.32 km) |
| Porthcawl to Logan (Utah) | 4,691.96 mi (7,550.99 km) |
| Porthcawl to Logansport (Indiana) | 3,812.83 mi (6,136.15 km) |
| Porthcawl to Loganville (Georgia) | 4,036.65 mi (6,496.36 km) |
| Porthcawl to Loma Linda (California) | 5,292.53 mi (8,517.50 km) |
| Porthcawl to Lombard (Illinois) | 3,826.57 mi (6,158.26 km) |
