| Iselin to Oliveira de Frades | 3,379.59 mi (5,438.93 km) |
| Iselin to Oliveira do Bairro | 3,369.65 mi (5,422.93 km) |
| Iselin to Oliveira do Hospital | 3,404.77 mi (5,479.45 km) |
| Iselin to Ourem | 3,390.01 mi (5,455.69 km) |
| Iselin to Ovar | 3,353.88 mi (5,397.55 km) |
| Iselin to Pacos de Ferreira | 3,354.58 mi (5,398.67 km) |
| Iselin to Palmela | 3,404.00 mi (5,478.21 km) |
| Iselin to Paredes | 3,359.53 mi (5,406.65 km) |
| Iselin to Paredes de Coura | 3,330.08 mi (5,359.25 km) |
| Iselin to Penacova | 3,386.80 mi (5,450.52 km) |
| Iselin to Penafiel | 3,361.74 mi (5,410.21 km) |
| Iselin to Peniche | 3,359.16 mi (5,406.05 km) |
| Iselin to Peso da Regua | 3,387.20 mi (5,451.18 km) |
| Iselin to Pinhal Novo | 3,401.49 mi (5,474.17 km) |
| Iselin to Pinhel | 3,431.58 mi (5,522.60 km) |
