| Smithville to Oliveira de Frades | 4,366.85 mi (7,027.76 km) |
| Smithville to Oliveira do Bairro | 4,359.44 mi (7,015.84 km) |
| Smithville to Oliveira do Hospital | 4,393.88 mi (7,071.27 km) |
| Smithville to Ourem | 4,386.64 mi (7,059.62 km) |
| Smithville to Ovar | 4,341.28 mi (6,986.62 km) |
| Smithville to Pacos de Ferreira | 4,338.04 mi (6,981.39 km) |
| Smithville to Palmela | 4,409.45 mi (7,096.33 km) |
| Smithville to Paredes | 4,343.34 mi (6,989.93 km) |
| Smithville to Paredes de Coura | 4,308.64 mi (6,934.09 km) |
| Smithville to Penacova | 4,377.86 mi (7,045.48 km) |
| Smithville to Penafiel | 4,345.35 mi (6,993.17 km) |
| Smithville to Peniche | 4,360.34 mi (7,017.30 km) |
| Smithville to Peso da Regua | 4,369.60 mi (7,032.19 km) |
| Smithville to Pinhal Novo | 4,406.53 mi (7,091.62 km) |
| Smithville to Pinhel | 4,414.89 mi (7,105.08 km) |
