| Penarth to Oliveira de Frades | 777.77 mi (1,251.71 km) |
| Penarth to Oliveira do Bairro | 795.75 mi (1,280.63 km) |
| Penarth to Oliveira do Hospital | 797.10 mi (1,282.81 km) |
| Penarth to Ourem | 854.20 mi (1,374.70 km) |
| Penarth to Ovar | 774.74 mi (1,246.82 km) |
| Penarth to Pacos de Ferreira | 744.71 mi (1,198.50 km) |
| Penarth to Palmela | 931.09 mi (1,498.45 km) |
| Penarth to Paredes | 748.07 mi (1,203.89 km) |
| Penarth to Paredes de Coura | 705.04 mi (1,134.66 km) |
| Penarth to Penacova | 808.85 mi (1,301.72 km) |
| Penarth to Penafiel | 746.91 mi (1,202.03 km) |
| Penarth to Peniche | 886.36 mi (1,426.45 km) |
| Penarth to Peso da Regua | 742.15 mi (1,194.37 km) |
| Penarth to Pinhal Novo | 927.01 mi (1,491.88 km) |
| Penarth to Pinhel | 758.64 mi (1,220.92 km) |
