| Porthcawl to Lomita (California) | 5,342.38 mi (8,597.72 km) |
| Porthcawl to Lompoc (California) | 5,364.00 mi (8,632.52 km) |
| Porthcawl to London (Ohio) | 3,735.65 mi (6,011.94 km) |
| Porthcawl to Lone Tree (Colorado) | 4,568.35 mi (7,352.05 km) |
| Porthcawl to Long Beach (California) | 5,337.11 mi (8,589.25 km) |
| Porthcawl to Long Beach (Mississippi) | 4,424.27 mi (7,120.17 km) |
| Porthcawl to Long Beach (New York) | 3,306.59 mi (5,321.44 km) |
| Porthcawl to Long Branch (New Jersey) | 3,332.51 mi (5,363.15 km) |
| Porthcawl to Longmont (Colorado) | 4,543.74 mi (7,312.45 km) |
| Porthcawl to Longview (Texas) | 4,542.65 mi (7,310.68 km) |
| Porthcawl to Longview (Washington) | 4,789.30 mi (7,707.63 km) |
| Porthcawl to Longwood (Florida) | 4,179.82 mi (6,726.76 km) |
| Porthcawl to Lorain (Ohio) | 3,616.47 mi (5,820.15 km) |
| Porthcawl to Lorton (Virginia) | 3,535.57 mi (5,689.96 km) |
| Porthcawl to Los Alamitos (California) | 5,333.55 mi (8,583.51 km) |
