| Seaford to Oliveira de Frades | 800.11 mi (1,287.65 km) |
| Seaford to Oliveira do Bairro | 819.99 mi (1,319.64 km) |
| Seaford to Oliveira do Hospital | 814.86 mi (1,311.39 km) |
| Seaford to Ourem | 875.13 mi (1,408.38 km) |
| Seaford to Ovar | 801.90 mi (1,290.53 km) |
| Seaford to Pacos de Ferreira | 771.82 mi (1,242.12 km) |
| Seaford to Palmela | 950.47 mi (1,529.64 km) |
| Seaford to Paredes | 774.20 mi (1,245.95 km) |
| Seaford to Paredes de Coura | 737.30 mi (1,186.56 km) |
| Seaford to Penacova | 830.01 mi (1,335.77 km) |
| Seaford to Penafiel | 772.61 mi (1,243.40 km) |
| Seaford to Peniche | 912.67 mi (1,468.81 km) |
| Seaford to Peso da Regua | 762.85 mi (1,227.69 km) |
| Seaford to Pinhal Novo | 946.75 mi (1,523.65 km) |
| Seaford to Pinhel | 770.75 mi (1,240.40 km) |
