| Penarth to San Diego (California) | 5,375.93 mi (8,651.72 km) |
| Penarth to San Diego Country Estates (California) | 5,354.60 mi (8,617.40 km) |
| Penarth to San Dimas (California) | 5,327.24 mi (8,573.36 km) |
| Penarth to San Fernando (California) | 5,337.86 mi (8,590.46 km) |
| Penarth to San Francisco (California) | 5,268.39 mi (8,478.66 km) |
| Penarth to San Gabriel (California) | 5,337.62 mi (8,590.07 km) |
| Penarth to San Germán (Puerto Rico) | 4,128.93 mi (6,644.87 km) |
| Penarth to San Jacinto (California) | 5,317.37 mi (8,557.48 km) |
| Penarth to San Jose (California) | 5,276.03 mi (8,490.95 km) |
| Penarth to San Juan (Puerto Rico) | 4,070.43 mi (6,550.72 km) |
| Penarth to San Juan (Texas) | 5,026.77 mi (8,089.80 km) |
| Penarth to San Juan Capistrano (California) | 5,356.23 mi (8,620.02 km) |
| Penarth to San Leandro (California) | 5,262.43 mi (8,469.06 km) |
| Penarth to San Lorenzo (California) | 5,263.56 mi (8,470.88 km) |
| Penarth to San Luis (Arizona) | 5,312.20 mi (8,549.16 km) |
