| South Portland to Sceaux | 3,355.39 mi (5,399.98 km) |
| South Portland to Schiltigheim | 3,586.99 mi (5,772.70 km) |
| South Portland to Scionzier | 3,615.28 mi (5,818.22 km) |
| South Portland to Seclin | 3,339.40 mi (5,374.24 km) |
| South Portland to Sedan | 3,440.06 mi (5,536.23 km) |
| South Portland to Selestat | 3,585.33 mi (5,770.02 km) |
| South Portland to Sene | 3,170.94 mi (5,103.14 km) |
| South Portland to Senlis | 3,356.29 mi (5,401.42 km) |
| South Portland to Sens | 3,413.24 mi (5,493.07 km) |
| South Portland to Septemes-les-Vallons | 3,649.22 mi (5,872.85 km) |
| South Portland to Serris | 3,374.04 mi (5,429.99 km) |
| South Portland to Sete | 3,575.03 mi (5,753.46 km) |
| South Portland to Sevran | 3,361.39 mi (5,409.64 km) |
| South Portland to Sevres | 3,350.86 mi (5,392.69 km) |
| South Portland to Seynod | 3,601.14 mi (5,795.48 km) |
