| Penarth to Cascais | 930.04 mi (1,496.75 km) |
| Penarth to Castelo Branco | 828.85 mi (1,333.91 km) |
| Penarth to Castro Daire | 762.00 mi (1,226.33 km) |
| Penarth to Celorico de Basto | 730.89 mi (1,176.26 km) |
| Penarth to Chamusca | 872.97 mi (1,404.91 km) |
| Penarth to Chaves | 699.62 mi (1,125.93 km) |
| Penarth to Cinfaes | 751.63 mi (1,209.63 km) |
| Penarth to Coimbra | 814.93 mi (1,311.50 km) |
| Penarth to Condeixa-a-Nova | 822.24 mi (1,323.26 km) |
| Penarth to Corroios | 931.60 mi (1,499.26 km) |
| Penarth to Coruche | 899.80 mi (1,448.08 km) |
| Penarth to Costa de Caparica | 930.90 mi (1,498.14 km) |
| Penarth to Covilha | 797.48 mi (1,283.43 km) |
| Penarth to Eiras | 812.80 mi (1,308.07 km) |
| Penarth to Elvas | 889.10 mi (1,430.86 km) |
