| Penarth to West Memphis (Arkansas) | 4,251.87 mi (6,842.73 km) |
| Penarth to West Mifflin (Pennsylvania) | 3,594.72 mi (5,785.15 km) |
| Penarth to West Monroe (Louisiana) | 4,460.64 mi (7,178.70 km) |
| Penarth to West New York (New Jersey) | 3,334.89 mi (5,366.99 km) |
| Penarth to West Odessa (Texas) | 4,901.39 mi (7,888.03 km) |
| Penarth to West Palm Beach (Florida) | 4,247.82 mi (6,836.20 km) |
| Penarth to West Park (Florida) | 4,288.57 mi (6,901.79 km) |
| Penarth to West Pensacola (Florida) | 4,365.12 mi (7,024.99 km) |
| Penarth to West Plains (Missouri) | 4,240.86 mi (6,825.01 km) |
| Penarth to West Point (Utah) | 4,752.74 mi (7,648.80 km) |
| Penarth to West Puente Valley (California) | 5,335.73 mi (8,587.02 km) |
| Penarth to West Rancho Dominguez (California) | 5,353.89 mi (8,616.26 km) |
| Penarth to West Richland (Washington) | 4,696.58 mi (7,558.41 km) |
| Penarth to West Sacramento (California) | 5,195.35 mi (8,361.11 km) |
| Penarth to West Springfield (Virginia) | 3,554.96 mi (5,721.16 km) |
