| Biddeford to Sesimbra | 3,147.40 mi (5,065.24 km) |
| Biddeford to Setubal | 3,154.87 mi (5,077.27 km) |
| Biddeford to Sever do Vouga | 3,113.27 mi (5,010.32 km) |
| Biddeford to Silves | 3,219.46 mi (5,181.22 km) |
| Biddeford to Sines | 3,174.15 mi (5,108.31 km) |
| Biddeford to Sintra | 3,122.45 mi (5,025.09 km) |
| Biddeford to Sobrado de Paiva | 3,109.27 mi (5,003.89 km) |
| Biddeford to Sobral de Monte Agraco | 3,127.11 mi (5,032.59 km) |
| Biddeford to Soure | 3,120.76 mi (5,022.38 km) |
| Biddeford to Tabua | 3,140.29 mi (5,053.81 km) |
| Biddeford to Tavira | 3,260.03 mi (5,246.51 km) |
| Biddeford to Tomar | 3,144.64 mi (5,060.81 km) |
| Biddeford to Tondela | 3,133.08 mi (5,042.21 km) |
| Biddeford to Torre de Moncorvo | 3,157.92 mi (5,082.18 km) |
| Biddeford to Torres Novas | 3,143.11 mi (5,058.34 km) |
