| Oswego to Oliveira de Frades | 4,004.24 mi (6,444.20 km) |
| Oswego to Oliveira do Bairro | 3,996.68 mi (6,432.03 km) |
| Oswego to Oliveira do Hospital | 4,031.17 mi (6,487.54 km) |
| Oswego to Ourem | 4,023.53 mi (6,475.24 km) |
| Oswego to Ovar | 3,978.66 mi (6,403.03 km) |
| Oswego to Pacos de Ferreira | 3,975.66 mi (6,398.21 km) |
| Oswego to Palmela | 4,045.99 mi (6,511.40 km) |
| Oswego to Paredes | 3,980.94 mi (6,406.71 km) |
| Oswego to Paredes de Coura | 3,946.60 mi (6,351.44 km) |
| Oswego to Penacova | 4,015.03 mi (6,461.57 km) |
| Oswego to Penafiel | 3,982.97 mi (6,409.97 km) |
| Oswego to Peniche | 3,997.02 mi (6,432.59 km) |
| Oswego to Peso da Regua | 4,007.32 mi (6,449.15 km) |
| Oswego to Pinhal Novo | 4,043.08 mi (6,506.71 km) |
| Oswego to Pinhel | 4,052.57 mi (6,521.98 km) |
