| Llantwit Major to Lake Grove (New York) | 3,282.73 mi (5,283.04 km) |
| Llantwit Major to Lake Havasu City (Arizona) | 5,177.79 mi (8,332.86 km) |
| Llantwit Major to Lake Hopatcong (New Jersey) | 3,340.15 mi (5,375.45 km) |
| Llantwit Major to Lake in the Hills (Illinois) | 3,835.55 mi (6,172.72 km) |
| Llantwit Major to Lake Jackson (Texas) | 4,757.44 mi (7,656.37 km) |
| Llantwit Major to Lake Los Angeles (California) | 5,290.82 mi (8,514.75 km) |
| Llantwit Major to Lake Magdalene (Florida) | 4,268.14 mi (6,868.92 km) |
| Llantwit Major to Lake Mary (Florida) | 4,186.44 mi (6,737.42 km) |
| Llantwit Major to Lake Monticello (Virginia) | 3,626.65 mi (5,836.53 km) |
| Llantwit Major to Lake Morton-Berrydale (Washington) | 4,708.87 mi (7,578.19 km) |
| Llantwit Major to Lake Norman of Catawba (North Carolina) | 3,842.98 mi (6,184.67 km) |
| Llantwit Major to Lake Oswego (Oregon) | 4,833.11 mi (7,778.14 km) |
| Llantwit Major to Lake Ridge (Virginia) | 3,550.22 mi (5,713.53 km) |
| Llantwit Major to Lake Ronkonkoma (New York) | 3,283.78 mi (5,284.73 km) |
| Llantwit Major to Lake Shore (Maryland) | 3,497.88 mi (5,629.29 km) |
