| Cwmbran to Oliveira de Frades | 794.44 mi (1,278.53 km) |
| Cwmbran to Oliveira do Bairro | 812.43 mi (1,307.47 km) |
| Cwmbran to Oliveira do Hospital | 813.74 mi (1,309.59 km) |
| Cwmbran to Ourem | 870.86 mi (1,401.52 km) |
| Cwmbran to Ovar | 791.42 mi (1,273.67 km) |
| Cwmbran to Pacos de Ferreira | 761.40 mi (1,225.35 km) |
| Cwmbran to Palmela | 947.75 mi (1,525.26 km) |
| Cwmbran to Paredes | 764.75 mi (1,230.74 km) |
| Cwmbran to Paredes de Coura | 721.73 mi (1,161.51 km) |
| Cwmbran to Penacova | 825.51 mi (1,328.53 km) |
| Cwmbran to Penafiel | 763.59 mi (1,228.87 km) |
| Cwmbran to Peniche | 903.04 mi (1,453.31 km) |
| Cwmbran to Peso da Regua | 758.80 mi (1,221.17 km) |
| Cwmbran to Pinhal Novo | 943.68 mi (1,518.70 km) |
| Cwmbran to Pinhel | 775.21 mi (1,247.59 km) |
