| Oleggio to Oliveira do Bairro | 931.19 mi (1,498.60 km) |
| Oleggio to Oliveira do Hospital | 906.88 mi (1,459.48 km) |
| Oleggio to Ourem | 963.62 mi (1,550.79 km) |
| Oleggio to Ovar | 926.38 mi (1,490.87 km) |
| Oleggio to Pacos de Ferreira | 903.43 mi (1,453.93 km) |
| Oleggio to Palmela | 1,018.91 mi (1,639.77 km) |
| Oleggio to Paredes | 902.26 mi (1,452.05 km) |
| Oleggio to Paredes de Coura | 893.15 mi (1,437.38 km) |
| Oleggio to Penacova | 929.23 mi (1,495.46 km) |
| Oleggio to Penafiel | 899.77 mi (1,448.03 km) |
| Oleggio to Peniche | 1,010.85 mi (1,626.81 km) |
| Oleggio to Peso da Regua | 877.19 mi (1,411.70 km) |
| Oleggio to Pinhal Novo | 1,017.05 mi (1,636.78 km) |
| Oleggio to Pinhel | 856.18 mi (1,377.89 km) |
| Oleggio to Pombal | 957.14 mi (1,540.36 km) |
