| Penarth to Fairmount (New York) | 3,331.75 mi (5,361.93 km) |
| Penarth to Fairview (California) | 5,260.78 mi (8,466.40 km) |
| Penarth to Fairview (New Jersey) | 3,333.21 mi (5,364.29 km) |
| Penarth to Fairview (Oregon) | 4,825.54 mi (7,765.96 km) |
| Penarth to Fairview Heights (Illinois) | 4,078.29 mi (6,563.38 km) |
| Penarth to Fairview Park (Ohio) | 3,625.27 mi (5,834.30 km) |
| Penarth to Fairview Shores (Florida) | 4,209.37 mi (6,774.32 km) |
| Penarth to Fairwood (Washington) | 4,710.72 mi (7,581.17 km) |
| Penarth to Fajardo (Puerto Rico) | 4,056.80 mi (6,528.78 km) |
| Penarth to Fall River (Massachusetts) | 3,175.82 mi (5,110.99 km) |
| Penarth to Fallbrook (California) | 5,349.23 mi (8,608.76 km) |
| Penarth to Falls Church (Virginia) | 3,548.06 mi (5,710.05 km) |
| Penarth to Fargo (North Dakota) | 3,944.43 mi (6,347.94 km) |
| Penarth to Faribault (Minnesota) | 3,935.66 mi (6,333.83 km) |
| Penarth to Farmers Branch (Texas) | 4,627.56 mi (7,447.33 km) |
