| Somerset to Oliveira de Frades | 3,390.14 mi (5,455.90 km) |
| Somerset to Oliveira do Bairro | 3,380.19 mi (5,439.90 km) |
| Somerset to Oliveira do Hospital | 3,415.31 mi (5,496.41 km) |
| Somerset to Ourem | 3,400.54 mi (5,472.64 km) |
| Somerset to Ovar | 3,364.42 mi (5,414.51 km) |
| Somerset to Pacos de Ferreira | 3,365.12 mi (5,415.63 km) |
| Somerset to Palmela | 3,414.53 mi (5,495.15 km) |
| Somerset to Paredes | 3,370.08 mi (5,423.61 km) |
| Somerset to Paredes de Coura | 3,340.63 mi (5,376.22 km) |
| Somerset to Penacova | 3,397.34 mi (5,467.48 km) |
| Somerset to Penafiel | 3,372.29 mi (5,427.17 km) |
| Somerset to Peniche | 3,369.70 mi (5,423.00 km) |
| Somerset to Peso da Regua | 3,397.75 mi (5,468.14 km) |
| Somerset to Pinhal Novo | 3,412.01 mi (5,491.10 km) |
| Somerset to Pinhel | 3,442.13 mi (5,539.57 km) |
