| Oupeye to Oliveira do Bairro | 978.16 mi (1,574.19 km) |
| Oupeye to Oliveira do Hospital | 965.82 mi (1,554.34 km) |
| Oupeye to Ourem | 1,027.37 mi (1,653.39 km) |
| Oupeye to Ovar | 964.05 mi (1,551.49 km) |
| Oupeye to Pacos de Ferreira | 935.17 mi (1,505.01 km) |
| Oupeye to Palmela | 1,098.23 mi (1,767.43 km) |
| Oupeye to Paredes | 936.39 mi (1,506.97 km) |
| Oupeye to Paredes de Coura | 907.66 mi (1,460.74 km) |
| Oupeye to Penacova | 984.28 mi (1,584.04 km) |
| Oupeye to Penafiel | 934.40 mi (1,503.77 km) |
| Oupeye to Peniche | 1,069.81 mi (1,721.70 km) |
| Oupeye to Peso da Regua | 919.52 mi (1,479.83 km) |
| Oupeye to Pinhal Novo | 1,095.05 mi (1,762.32 km) |
| Oupeye to Pinhel | 917.11 mi (1,475.95 km) |
| Oupeye to Pombal | 1,014.80 mi (1,633.16 km) |
