| Isabela to Oliveira de Frades | 3,774.31 mi (6,074.17 km) |
| Isabela to Oliveira do Bairro | 3,756.43 mi (6,045.38 km) |
| Isabela to Oliveira do Hospital | 3,788.77 mi (6,097.44 km) |
| Isabela to Ourem | 3,747.28 mi (6,030.67 km) |
| Isabela to Ovar | 3,751.95 mi (6,038.17 km) |
| Isabela to Pacos de Ferreira | 3,766.96 mi (6,062.34 km) |
| Isabela to Palmela | 3,723.17 mi (5,991.86 km) |
| Isabela to Paredes | 3,769.92 mi (6,067.10 km) |
| Isabela to Paredes de Coura | 3,763.63 mi (6,056.98 km) |
| Isabela to Penacova | 3,766.14 mi (6,061.02 km) |
| Isabela to Penafiel | 3,772.51 mi (6,071.27 km) |
| Isabela to Peniche | 3,702.90 mi (5,959.25 km) |
| Isabela to Peso da Regua | 3,798.48 mi (6,113.07 km) |
| Isabela to Pinhal Novo | 3,722.77 mi (5,991.22 km) |
| Isabela to Pinhel | 3,832.94 mi (6,168.51 km) |
