| Porthcawl to Lake St. Louis (Missouri) | 4,078.26 mi (6,563.32 km) |
| Porthcawl to Lake Station (Indiana) | 3,810.88 mi (6,133.01 km) |
| Porthcawl to Lake Stevens (Washington) | 4,661.49 mi (7,501.94 km) |
| Porthcawl to Lake Stickney (Washington) | 4,673.14 mi (7,520.70 km) |
| Porthcawl to Lake Tapps (Washington) | 4,706.53 mi (7,574.42 km) |
| Porthcawl to Lake Wales (Florida) | 4,229.05 mi (6,805.99 km) |
| Porthcawl to Lake Wylie (South Carolina) | 3,859.54 mi (6,211.33 km) |
| Porthcawl to Lake Zurich (Illinois) | 3,814.73 mi (6,139.21 km) |
| Porthcawl to Lakeland (Florida) | 4,237.48 mi (6,819.56 km) |
| Porthcawl to Lakeland (Tennessee) | 4,205.86 mi (6,768.67 km) |
| Porthcawl to Lakeland Highlands (Florida) | 4,242.16 mi (6,827.10 km) |
| Porthcawl to Lakeland North (Washington) | 4,703.66 mi (7,569.81 km) |
| Porthcawl to Lakeland South (Washington) | 4,706.98 mi (7,575.15 km) |
| Porthcawl to Lakeland Village (California) | 5,318.82 mi (8,559.81 km) |
| Porthcawl to Lakeside (California) | 5,347.36 mi (8,605.75 km) |
