| Penarth to Richmond (California) | 5,254.17 mi (8,455.77 km) |
| Penarth to Richmond (Indiana) | 3,818.61 mi (6,145.46 km) |
| Penarth to Richmond (Kentucky) | 3,891.36 mi (6,262.54 km) |
| Penarth to Richmond (Texas) | 4,754.10 mi (7,650.98 km) |
| Penarth to Richmond (Virginia) | 3,621.08 mi (5,827.57 km) |
| Penarth to Richmond Heights (Florida) | 4,313.79 mi (6,942.38 km) |
| Penarth to Richmond Heights (Ohio) | 3,606.14 mi (5,803.52 km) |
| Penarth to Richmond Hill (Georgia) | 4,044.59 mi (6,509.14 km) |
| Penarth to Richmond West (Florida) | 4,317.47 mi (6,948.30 km) |
| Penarth to Richton Park (Illinois) | 3,855.37 mi (6,204.63 km) |
| Penarth to Ridge (New York) | 3,283.14 mi (5,283.70 km) |
| Penarth to Ridgecrest (California) | 5,236.93 mi (8,428.03 km) |
| Penarth to Ridgefield (New Jersey) | 3,333.17 mi (5,364.23 km) |
| Penarth to Ridgefield (Washington) | 4,818.08 mi (7,753.94 km) |
| Penarth to Ridgefield Park (New Jersey) | 3,332.42 mi (5,363.01 km) |
