| Porthcawl to Los Alamos (New Mexico) | 4,808.50 mi (7,738.54 km) |
| Porthcawl to Los Altos (California) | 5,261.39 mi (8,467.38 km) |
| Porthcawl to Los Angeles (California) | 5,327.30 mi (8,573.45 km) |
| Porthcawl to Los Banos (California) | 5,239.51 mi (8,432.18 km) |
| Porthcawl to Los Gatos (California) | 5,264.90 mi (8,473.04 km) |
| Porthcawl to Los Lunas (New Mexico) | 4,883.53 mi (7,859.28 km) |
| Porthcawl to Los Osos (California) | 5,338.72 mi (8,591.84 km) |
| Porthcawl to Loudoun Valley Estates (Virginia) | 3,535.15 mi (5,689.28 km) |
| Porthcawl to Louisville (Colorado) | 4,555.43 mi (7,331.26 km) |
| Porthcawl to Louisville (Kentucky) | 3,903.60 mi (6,282.24 km) |
| Porthcawl to Lovejoy (Georgia) | 4,072.96 mi (6,554.79 km) |
| Porthcawl to Loveland (Colorado) | 4,529.67 mi (7,289.81 km) |
| Porthcawl to Loveland (Ohio) | 3,797.61 mi (6,111.66 km) |
| Porthcawl to Loves Park (Illinois) | 3,843.41 mi (6,185.36 km) |
| Porthcawl to Lovington (New Mexico) | 4,855.17 mi (7,813.64 km) |
