| Somerville to Oliveira de Frades | 3,178.42 mi (5,115.17 km) |
| Somerville to Oliveira do Bairro | 3,168.85 mi (5,099.77 km) |
| Somerville to Oliveira do Hospital | 3,203.90 mi (5,156.18 km) |
| Somerville to Ourem | 3,190.33 mi (5,134.34 km) |
| Somerville to Ovar | 3,152.70 mi (5,073.78 km) |
| Somerville to Pacos de Ferreira | 3,152.83 mi (5,073.99 km) |
| Somerville to Palmela | 3,205.95 mi (5,159.48 km) |
| Somerville to Paredes | 3,157.84 mi (5,082.05 km) |
| Somerville to Paredes de Coura | 3,127.66 mi (5,033.48 km) |
| Somerville to Penacova | 3,186.21 mi (5,127.71 km) |
| Somerville to Penafiel | 3,160.03 mi (5,085.57 km) |
| Somerville to Peniche | 3,160.26 mi (5,085.95 km) |
| Somerville to Peso da Regua | 3,185.35 mi (5,126.32 km) |
| Somerville to Pinhal Novo | 3,203.36 mi (5,155.30 km) |
| Somerville to Pinhel | 3,229.90 mi (5,198.02 km) |
