| Senec to Oliveira de Frades | 1,355.74 mi (2,181.85 km) |
| Senec to Oliveira do Bairro | 1,377.11 mi (2,216.24 km) |
| Senec to Oliveira do Hospital | 1,354.32 mi (2,179.57 km) |
| Senec to Ourem | 1,412.14 mi (2,272.62 km) |
| Senec to Ovar | 1,370.67 mi (2,205.87 km) |
| Senec to Pacos de Ferreira | 1,346.30 mi (2,166.67 km) |
| Senec to Palmela | 1,469.21 mi (2,364.46 km) |
| Senec to Paredes | 1,345.58 mi (2,165.50 km) |
| Senec to Paredes de Coura | 1,332.16 mi (2,143.90 km) |
| Senec to Penacova | 1,376.35 mi (2,215.02 km) |
| Senec to Penafiel | 1,343.15 mi (2,161.59 km) |
| Senec to Peniche | 1,459.15 mi (2,348.28 km) |
| Senec to Peso da Regua | 1,321.69 mi (2,127.05 km) |
| Senec to Pinhal Novo | 1,467.25 mi (2,361.30 km) |
| Senec to Pinhel | 1,303.37 mi (2,097.58 km) |
