| Penarth to Hicksville (New York) | 3,315.79 mi (5,336.24 km) |
| Penarth to Hidalgo (Texas) | 5,034.84 mi (8,102.80 km) |
| Penarth to High Point (North Carolina) | 3,795.92 mi (6,108.94 km) |
| Penarth to Highland (California) | 5,305.58 mi (8,538.50 km) |
| Penarth to Highland (Illinois) | 4,057.86 mi (6,530.49 km) |
| Penarth to Highland (Indiana) | 3,841.46 mi (6,182.22 km) |
| Penarth to Highland (Utah) | 4,779.86 mi (7,692.44 km) |
| Penarth to Highland City (Florida) | 4,261.48 mi (6,858.18 km) |
| Penarth to Highland Park (Illinois) | 3,826.26 mi (6,157.77 km) |
| Penarth to Highland Park (New Jersey) | 3,364.32 mi (5,414.36 km) |
| Penarth to Highland Springs (Virginia) | 3,613.98 mi (5,816.14 km) |
| Penarth to Highland Village (Texas) | 4,626.38 mi (7,445.43 km) |
| Penarth to Highlands Ranch (Colorado) | 4,591.77 mi (7,389.73 km) |
| Penarth to Hillcrest (California) | 5,293.44 mi (8,518.97 km) |
| Penarth to Hillcrest Heights (Maryland) | 3,541.44 mi (5,699.41 km) |
