| Olkusz to Oliveira do Bairro | 1,507.25 mi (2,425.68 km) |
| Olkusz to Oliveira do Hospital | 1,486.69 mi (2,392.60 km) |
| Olkusz to Ourem | 1,545.98 mi (2,488.01 km) |
| Olkusz to Ovar | 1,498.84 mi (2,412.16 km) |
| Olkusz to Pacos de Ferreira | 1,473.07 mi (2,370.68 km) |
| Olkusz to Palmela | 1,606.64 mi (2,585.64 km) |
| Olkusz to Paredes | 1,472.84 mi (2,370.30 km) |
| Olkusz to Paredes de Coura | 1,455.23 mi (2,341.97 km) |
| Olkusz to Penacova | 1,508.12 mi (2,427.09 km) |
| Olkusz to Penafiel | 1,470.49 mi (2,366.53 km) |
| Olkusz to Peniche | 1,592.39 mi (2,562.70 km) |
| Olkusz to Peso da Regua | 1,450.43 mi (2,334.25 km) |
| Olkusz to Pinhal Novo | 1,604.40 mi (2,582.04 km) |
| Olkusz to Pinhel | 1,435.67 mi (2,310.49 km) |
| Olkusz to Pombal | 1,537.40 mi (2,474.20 km) |
