| Penarth to La Union | 960.78 mi (1,546.22 km) |
| Penarth to La Victoria de Acentejo | 1,731.74 mi (2,786.97 km) |
| Penarth to Laguna de Duero | 684.26 mi (1,101.22 km) |
| Penarth to Lalin | 649.44 mi (1,045.17 km) |
| Penarth to Lardero | 623.00 mi (1,002.62 km) |
| Penarth to Laredo | 553.94 mi (891.48 km) |
| Penarth to Las Cabezas de San Juan | 1,007.48 mi (1,621.38 km) |
| Penarth to Las Palmas | 1,731.29 mi (2,786.25 km) |
| Penarth to Las Rozas de Madrid | 756.51 mi (1,217.48 km) |
| Penarth to Las Torres de Cotillas | 930.83 mi (1,498.02 km) |
| Penarth to Lebrija | 1,012.68 mi (1,629.75 km) |
| Penarth to Leganes | 767.59 mi (1,235.32 km) |
| Penarth to Leon | 620.01 mi (997.81 km) |
| Penarth to Lepe | 999.13 mi (1,607.94 km) |
| Penarth to Linares | 922.44 mi (1,484.53 km) |
