| Oldenburg in Holstein to Oliveira do Bairro | 1,306.18 mi (2,102.10 km) |
| Oldenburg in Holstein to Oliveira do Hospital | 1,295.18 mi (2,084.39 km) |
| Oldenburg in Holstein to Ourem | 1,356.69 mi (2,183.39 km) |
| Oldenburg in Holstein to Ovar | 1,291.10 mi (2,077.83 km) |
| Oldenburg in Holstein to Pacos de Ferreira | 1,261.81 mi (2,030.68 km) |
| Oldenburg in Holstein to Palmela | 1,428.42 mi (2,298.82 km) |
| Oldenburg in Holstein to Paredes | 1,263.32 mi (2,033.12 km) |
| Oldenburg in Holstein to Paredes de Coura | 1,232.19 mi (1,983.01 km) |
| Oldenburg in Holstein to Penacova | 1,313.11 mi (2,113.25 km) |
| Oldenburg in Holstein to Penafiel | 1,261.42 mi (2,030.07 km) |
| Oldenburg in Holstein to Peniche | 1,398.35 mi (2,250.42 km) |
| Oldenburg in Holstein to Peso da Regua | 1,247.64 mi (2,007.88 km) |
| Oldenburg in Holstein to Pinhal Novo | 1,425.16 mi (2,293.58 km) |
| Oldenburg in Holstein to Pinhel | 1,247.02 mi (2,006.89 km) |
| Oldenburg in Holstein to Pombal | 1,343.64 mi (2,162.38 km) |
