| Gulf Shores to Oliveira de Frades | 4,379.63 mi (7,048.33 km) |
| Gulf Shores to Oliveira do Bairro | 4,368.16 mi (7,029.88 km) |
| Gulf Shores to Oliveira do Hospital | 4,403.42 mi (7,086.61 km) |
| Gulf Shores to Ourem | 4,383.66 mi (7,054.82 km) |
| Gulf Shores to Ovar | 4,354.04 mi (7,007.15 km) |
| Gulf Shores to Pacos de Ferreira | 4,357.12 mi (7,012.10 km) |
| Gulf Shores to Palmela | 4,390.74 mi (7,066.21 km) |
| Gulf Shores to Paredes | 4,361.83 mi (7,019.69 km) |
| Gulf Shores to Paredes de Coura | 4,335.60 mi (6,977.47 km) |
| Gulf Shores to Penacova | 4,384.32 mi (7,055.89 km) |
| Gulf Shores to Penafiel | 4,364.14 mi (7,023.41 km) |
| Gulf Shores to Peniche | 4,349.73 mi (7,000.22 km) |
| Gulf Shores to Peso da Regua | 4,390.10 mi (7,065.19 km) |
| Gulf Shores to Pinhal Novo | 4,388.59 mi (7,062.75 km) |
| Gulf Shores to Pinhel | 4,433.59 mi (7,135.18 km) |
