| Osterwieck to Oliveira do Bairro | 1,205.40 mi (1,939.90 km) |
| Osterwieck to Oliveira do Hospital | 1,191.05 mi (1,916.82 km) |
| Osterwieck to Ourem | 1,252.46 mi (2,015.64 km) |
| Osterwieck to Ovar | 1,192.48 mi (1,919.12 km) |
| Osterwieck to Pacos de Ferreira | 1,164.12 mi (1,873.47 km) |
| Osterwieck to Palmela | 1,321.29 mi (2,126.41 km) |
| Osterwieck to Paredes | 1,165.03 mi (1,874.93 km) |
| Osterwieck to Paredes de Coura | 1,138.47 mi (1,832.18 km) |
| Osterwieck to Penacova | 1,210.34 mi (1,947.86 km) |
| Osterwieck to Penafiel | 1,162.95 mi (1,871.59 km) |
| Osterwieck to Peniche | 1,296.08 mi (2,085.84 km) |
| Osterwieck to Peso da Regua | 1,146.82 mi (1,845.63 km) |
| Osterwieck to Pinhal Novo | 1,318.33 mi (2,121.64 km) |
| Osterwieck to Pinhel | 1,141.43 mi (1,836.95 km) |
| Osterwieck to Pombal | 1,240.76 mi (1,996.81 km) |
