| Swansea to Oliveira de Frades | 4,186.40 mi (6,737.35 km) |
| Swansea to Oliveira do Bairro | 4,177.97 mi (6,723.79 km) |
| Swansea to Oliveira do Hospital | 4,212.75 mi (6,779.76 km) |
| Swansea to Ourem | 4,202.46 mi (6,763.20 km) |
| Swansea to Ovar | 4,160.72 mi (6,696.04 km) |
| Swansea to Pacos de Ferreira | 4,159.02 mi (6,693.29 km) |
| Swansea to Palmela | 4,221.64 mi (6,794.07 km) |
| Swansea to Paredes | 4,164.19 mi (6,701.62 km) |
| Swansea to Paredes de Coura | 4,131.46 mi (6,648.94 km) |
| Swansea to Penacova | 4,195.91 mi (6,752.67 km) |
| Swansea to Penafiel | 4,166.29 mi (6,705.00 km) |
| Swansea to Peniche | 4,174.24 mi (6,717.79 km) |
| Swansea to Peso da Regua | 4,191.06 mi (6,744.86 km) |
| Swansea to Pinhal Novo | 4,218.88 mi (6,789.63 km) |
| Swansea to Pinhel | 4,236.09 mi (6,817.33 km) |
