| Olecko to Oliveira do Bairro | 1,706.40 mi (2,746.19 km) |
| Olecko to Oliveira do Hospital | 1,689.81 mi (2,719.48 km) |
| Olecko to Ourem | 1,750.73 mi (2,817.53 km) |
| Olecko to Ovar | 1,694.90 mi (2,727.68 km) |
| Olecko to Pacos de Ferreira | 1,667.22 mi (2,683.13 km) |
| Olecko to Palmela | 1,816.72 mi (2,923.73 km) |
| Olecko to Paredes | 1,667.78 mi (2,684.03 km) |
| Olecko to Paredes de Coura | 1,643.66 mi (2,645.22 km) |
| Olecko to Penacova | 1,709.97 mi (2,751.92 km) |
| Olecko to Penafiel | 1,665.61 mi (2,680.54 km) |
| Olecko to Peniche | 1,795.56 mi (2,889.68 km) |
| Olecko to Peso da Regua | 1,648.15 mi (2,652.44 km) |
| Olecko to Pinhal Novo | 1,814.03 mi (2,919.40 km) |
| Olecko to Pinhel | 1,639.40 mi (2,638.36 km) |
| Olecko to Pombal | 1,740.11 mi (2,800.44 km) |
