| Pontneddfechan to Lake Grove (New York) | 3,271.52 mi (5,265.01 km) |
| Pontneddfechan to Lake Havasu City (Arizona) | 5,159.40 mi (8,303.25 km) |
| Pontneddfechan to Lake Hopatcong (New Jersey) | 3,328.54 mi (5,356.77 km) |
| Pontneddfechan to Lake in the Hills (Illinois) | 3,820.51 mi (6,148.52 km) |
| Pontneddfechan to Lake Jackson (Texas) | 4,744.50 mi (7,635.53 km) |
| Pontneddfechan to Lake Los Angeles (California) | 5,271.73 mi (8,484.04 km) |
| Pontneddfechan to Lake Magdalene (Florida) | 4,259.00 mi (6,854.19 km) |
| Pontneddfechan to Lake Mary (Florida) | 4,177.41 mi (6,722.89 km) |
| Pontneddfechan to Lake Monticello (Virginia) | 3,615.30 mi (5,818.26 km) |
| Pontneddfechan to Lake Morton-Berrydale (Washington) | 4,687.26 mi (7,543.42 km) |
| Pontneddfechan to Lake Norman of Catawba (North Carolina) | 3,831.78 mi (6,166.65 km) |
| Pontneddfechan to Lake Oswego (Oregon) | 4,811.68 mi (7,743.65 km) |
| Pontneddfechan to Lake Ridge (Virginia) | 3,538.85 mi (5,695.22 km) |
| Pontneddfechan to Lake Ronkonkoma (New York) | 3,272.59 mi (5,266.72 km) |
| Pontneddfechan to Lake Shore (Maryland) | 3,486.54 mi (5,611.05 km) |
