| Porthcawl to Lemay (Missouri) | 4,070.51 mi (6,550.85 km) |
| Porthcawl to Lemon Grove (California) | 5,358.68 mi (8,623.97 km) |
| Porthcawl to Lemon Hill (California) | 5,176.26 mi (8,330.39 km) |
| Porthcawl to Lemont (Illinois) | 3,834.64 mi (6,171.25 km) |
| Porthcawl to Lemoore (California) | 5,249.82 mi (8,448.76 km) |
| Porthcawl to Lenexa (Kansas) | 4,224.85 mi (6,799.24 km) |
| Porthcawl to Lennox (California) | 5,335.60 mi (8,586.82 km) |
| Porthcawl to Lenoir (North Carolina) | 3,840.60 mi (6,180.84 km) |
| Porthcawl to Leominster (Massachusetts) | 3,148.08 mi (5,066.34 km) |
| Porthcawl to Leon Valley (Texas) | 4,850.59 mi (7,806.26 km) |
| Porthcawl to Levelland (Texas) | 4,783.81 mi (7,698.80 km) |
| Porthcawl to Levittown (New York) | 3,294.49 mi (5,301.98 km) |
| Porthcawl to Levittown (Pennsylvania) | 3,374.30 mi (5,430.41 km) |
| Porthcawl to Lewisburg (Tennessee) | 4,077.88 mi (6,562.72 km) |
| Porthcawl to Lewiston (Idaho) | 4,603.98 mi (7,409.40 km) |
