| Biddeford to Sentrupert | 3,988.87 mi (6,419.47 km) |
| Biddeford to Sevnica | 3,996.52 mi (6,431.78 km) |
| Biddeford to Sezana | 3,948.25 mi (6,354.10 km) |
| Biddeford to Skocjan | 3,999.67 mi (6,436.84 km) |
| Biddeford to Skofja Loka | 3,949.77 mi (6,356.53 km) |
| Biddeford to Skofljica | 3,967.50 mi (6,385.08 km) |
| Biddeford to Slovenj Gradec | 3,969.49 mi (6,388.27 km) |
| Biddeford to Slovenska Bistrica | 3,993.96 mi (6,427.65 km) |
| Biddeford to Slovenske Konjice | 3,989.62 mi (6,420.68 km) |
| Biddeford to Smarje | 3,997.44 mi (6,433.26 km) |
| Biddeford to Smarjeske Toplice | 3,998.40 mi (6,434.80 km) |
| Biddeford to Smartno | 3,976.49 mi (6,399.54 km) |
| Biddeford to Smartno | 3,973.96 mi (6,395.46 km) |
| Biddeford to Sodrazica | 3,977.88 mi (6,401.78 km) |
| Biddeford to Solcava | 3,956.81 mi (6,367.87 km) |
