| Lockport to Oliveira de Frades | 3,993.26 mi (6,426.52 km) |
| Lockport to Oliveira do Bairro | 3,985.61 mi (6,414.22 km) |
| Lockport to Oliveira do Hospital | 4,020.14 mi (6,469.78 km) |
| Lockport to Ourem | 4,012.25 mi (6,457.10 km) |
| Lockport to Ovar | 3,967.66 mi (6,385.33 km) |
| Lockport to Pacos de Ferreira | 3,964.79 mi (6,380.71 km) |
| Lockport to Palmela | 4,034.44 mi (6,492.81 km) |
| Lockport to Paredes | 3,970.06 mi (6,389.19 km) |
| Lockport to Paredes de Coura | 3,935.86 mi (6,334.16 km) |
| Lockport to Penacova | 4,003.93 mi (6,443.70 km) |
| Lockport to Penafiel | 3,972.09 mi (6,392.46 km) |
| Lockport to Peniche | 3,985.60 mi (6,414.20 km) |
| Lockport to Peso da Regua | 3,996.48 mi (6,431.71 km) |
| Lockport to Pinhal Novo | 4,031.54 mi (6,488.14 km) |
| Lockport to Pinhel | 4,041.71 mi (6,504.51 km) |
