| Penarth to Accokeek (Maryland) | 3,550.24 mi (5,713.56 km) |
| Penarth to Acworth (Georgia) | 4,080.48 mi (6,566.89 km) |
| Penarth to Ada (Oklahoma) | 4,526.10 mi (7,284.05 km) |
| Penarth to Addison (Illinois) | 3,845.32 mi (6,188.45 km) |
| Penarth to Addison (Texas) | 4,624.18 mi (7,441.89 km) |
| Penarth to Adelanto (California) | 5,288.39 mi (8,510.85 km) |
| Penarth to Adelphi (Maryland) | 3,534.21 mi (5,687.75 km) |
| Penarth to Adrian (Michigan) | 3,692.00 mi (5,941.70 km) |
| Penarth to Affton (Missouri) | 4,093.13 mi (6,587.26 km) |
| Penarth to Agoura Hills (California) | 5,356.33 mi (8,620.18 km) |
| Penarth to Aguadilla (Puerto Rico) | 4,114.83 mi (6,622.18 km) |
| Penarth to Aiken (South Carolina) | 3,983.73 mi (6,411.19 km) |
| Penarth to Akron (Ohio) | 3,627.97 mi (5,838.66 km) |
| Penarth to Alabaster (Alabama) | 4,209.29 mi (6,774.20 km) |
| Penarth to Alachua (Florida) | 4,197.31 mi (6,754.91 km) |
