| Rhondda to Lake Grove (New York) | 3,281.15 mi (5,280.50 km) |
| Rhondda to Lake Havasu City (Arizona) | 5,171.03 mi (8,321.97 km) |
| Rhondda to Lake Hopatcong (New Jersey) | 3,338.30 mi (5,372.48 km) |
| Rhondda to Lake in the Hills (Illinois) | 3,831.32 mi (6,165.91 km) |
| Rhondda to Lake Jackson (Texas) | 4,754.69 mi (7,651.94 km) |
| Rhondda to Lake Los Angeles (California) | 5,283.49 mi (8,502.96 km) |
| Rhondda to Lake Magdalene (Florida) | 4,267.92 mi (6,868.55 km) |
| Rhondda to Lake Mary (Florida) | 4,186.29 mi (6,737.18 km) |
| Rhondda to Lake Monticello (Virginia) | 3,624.98 mi (5,833.84 km) |
| Rhondda to Lake Morton-Berrydale (Washington) | 4,699.33 mi (7,562.85 km) |
| Rhondda to Lake Norman of Catawba (North Carolina) | 3,841.41 mi (6,182.14 km) |
| Rhondda to Lake Oswego (Oregon) | 4,823.74 mi (7,763.06 km) |
| Rhondda to Lake Ridge (Virginia) | 3,548.53 mi (5,710.81 km) |
| Rhondda to Lake Ronkonkoma (New York) | 3,282.21 mi (5,282.20 km) |
| Rhondda to Lake Shore (Maryland) | 3,496.21 mi (5,626.61 km) |
