| East Islip to Oliveira de Frades | 3,320.80 mi (5,344.32 km) |
| East Islip to Oliveira do Bairro | 3,310.78 mi (5,328.19 km) |
| East Islip to Oliveira do Hospital | 3,345.91 mi (5,384.72 km) |
| East Islip to Ourem | 3,330.90 mi (5,360.57 km) |
| East Islip to Ovar | 3,295.09 mi (5,302.94 km) |
| East Islip to Pacos de Ferreira | 3,295.92 mi (5,304.28 km) |
| East Islip to Palmela | 3,344.62 mi (5,382.65 km) |
| East Islip to Paredes | 3,300.87 mi (5,312.23 km) |
| East Islip to Paredes de Coura | 3,271.62 mi (5,265.16 km) |
| East Islip to Penacova | 3,327.88 mi (5,355.70 km) |
| East Islip to Penafiel | 3,303.09 mi (5,315.80 km) |
| East Islip to Peniche | 3,299.92 mi (5,310.71 km) |
| East Islip to Peso da Regua | 3,328.58 mi (5,356.83 km) |
| East Islip to Pinhal Novo | 3,342.12 mi (5,378.62 km) |
| East Islip to Pinhel | 3,372.91 mi (5,428.18 km) |
