| Seabrook to Oliveira de Frades | 3,547.31 mi (5,708.84 km) |
| Seabrook to Oliveira do Bairro | 3,537.08 mi (5,692.38 km) |
| Seabrook to Oliveira do Hospital | 3,572.24 mi (5,748.96 km) |
| Seabrook to Ourem | 3,556.55 mi (5,723.71 km) |
| Seabrook to Ovar | 3,521.60 mi (5,667.47 km) |
| Seabrook to Pacos de Ferreira | 3,522.74 mi (5,669.30 km) |
| Seabrook to Palmela | 3,569.27 mi (5,744.18 km) |
| Seabrook to Paredes | 3,527.65 mi (5,677.21 km) |
| Seabrook to Paredes de Coura | 3,498.78 mi (5,630.75 km) |
| Seabrook to Penacova | 3,554.05 mi (5,719.69 km) |
| Seabrook to Penafiel | 3,529.88 mi (5,680.80 km) |
| Seabrook to Peniche | 3,525.11 mi (5,673.12 km) |
| Seabrook to Peso da Regua | 3,555.45 mi (5,721.94 km) |
| Seabrook to Pinhal Novo | 3,566.82 mi (5,740.24 km) |
| Seabrook to Pinhel | 3,599.68 mi (5,793.13 km) |
