| Penarth to Hoyo de Manzanares | 746.75 mi (1,201.78 km) |
| Penarth to Huelva | 997.04 mi (1,604.58 km) |
| Penarth to Huercal de Almeria | 1,005.73 mi (1,618.56 km) |
| Penarth to Huercal-Overa | 972.41 mi (1,564.95 km) |
| Penarth to Huesca | 655.29 mi (1,054.59 km) |
| Penarth to Huetor Vega | 986.84 mi (1,588.17 km) |
| Penarth to Huetor-Tajar | 984.50 mi (1,584.40 km) |
| Penarth to Humanes de Madrid | 772.83 mi (1,243.76 km) |
| Penarth to Ibi | 893.46 mi (1,437.89 km) |
| Penarth to Ibiza | 893.24 mi (1,437.54 km) |
| Penarth to Icod de los Vinos | 1,742.05 mi (2,803.55 km) |
| Penarth to Igualada | 717.20 mi (1,154.22 km) |
| Penarth to Illescas | 782.32 mi (1,259.02 km) |
| Penarth to Inca | 860.44 mi (1,384.74 km) |
| Penarth to Ingenio | 1,744.82 mi (2,808.02 km) |
