| Smyrna to Oliveira de Frades | 4,089.68 mi (6,581.70 km) |
| Smyrna to Oliveira do Bairro | 4,078.80 mi (6,564.20 km) |
| Smyrna to Oliveira do Hospital | 4,114.03 mi (6,620.89 km) |
| Smyrna to Ourem | 4,096.20 mi (6,592.19 km) |
| Smyrna to Ovar | 4,064.02 mi (6,540.40 km) |
| Smyrna to Pacos de Ferreira | 4,066.15 mi (6,543.84 km) |
| Smyrna to Palmela | 4,105.90 mi (6,607.81 km) |
| Smyrna to Paredes | 4,070.97 mi (6,551.59 km) |
| Smyrna to Paredes de Coura | 4,043.42 mi (6,507.26 km) |
| Smyrna to Penacova | 4,095.36 mi (6,590.84 km) |
| Smyrna to Penafiel | 4,073.24 mi (6,555.25 km) |
| Smyrna to Peniche | 4,063.41 mi (6,539.43 km) |
| Smyrna to Peso da Regua | 4,099.02 mi (6,596.73 km) |
| Smyrna to Pinhal Novo | 4,103.61 mi (6,604.13 km) |
| Smyrna to Pinhel | 4,142.89 mi (6,667.34 km) |
