| Opelika to Oliveira de Frades | 4,175.36 mi (6,719.59 km) |
| Opelika to Oliveira do Bairro | 4,164.23 mi (6,701.69 km) |
| Opelika to Oliveira do Hospital | 4,199.48 mi (6,758.40 km) |
| Opelika to Ourem | 4,180.85 mi (6,728.43 km) |
| Opelika to Ovar | 4,149.72 mi (6,678.33 km) |
| Opelika to Pacos de Ferreira | 4,152.25 mi (6,682.40 km) |
| Opelika to Palmela | 4,189.49 mi (6,742.33 km) |
| Opelika to Paredes | 4,157.02 mi (6,690.08 km) |
| Opelika to Paredes de Coura | 4,130.03 mi (6,646.64 km) |
| Opelika to Penacova | 4,180.63 mi (6,728.07 km) |
| Opelika to Penafiel | 4,159.31 mi (6,693.77 km) |
| Opelika to Peniche | 4,147.60 mi (6,674.91 km) |
| Opelika to Peso da Regua | 4,185.17 mi (6,735.38 km) |
| Opelika to Pinhal Novo | 4,187.26 mi (6,738.74 km) |
| Opelika to Pinhel | 4,228.89 mi (6,805.74 km) |
