| Osterburg to Oliveira do Bairro | 1,273.48 mi (2,049.47 km) |
| Osterburg to Oliveira do Hospital | 1,259.71 mi (2,027.31 km) |
| Osterburg to Ourem | 1,321.18 mi (2,126.23 km) |
| Osterburg to Ovar | 1,260.15 mi (2,028.02 km) |
| Osterburg to Pacos de Ferreira | 1,231.59 mi (1,982.05 km) |
| Osterburg to Palmela | 1,390.52 mi (2,237.83 km) |
| Osterburg to Paredes | 1,232.61 mi (1,983.70 km) |
| Osterburg to Paredes de Coura | 1,205.12 mi (1,939.46 km) |
| Osterburg to Penacova | 1,278.78 mi (2,058.00 km) |
| Osterburg to Penafiel | 1,230.57 mi (1,980.41 km) |
| Osterburg to Peniche | 1,364.49 mi (2,195.94 km) |
| Osterburg to Peso da Regua | 1,214.86 mi (1,955.13 km) |
| Osterburg to Pinhal Novo | 1,387.51 mi (2,232.99 km) |
| Osterburg to Pinhel | 1,210.30 mi (1,947.78 km) |
| Osterburg to Pombal | 1,309.24 mi (2,107.02 km) |
