| South Portland to Schleswig | 3,490.43 mi (5,617.30 km) |
| South Portland to Schleusingen | 3,649.91 mi (5,873.96 km) |
| South Portland to Schlitz | 3,598.67 mi (5,791.51 km) |
| South Portland to Schloss Holte-Stukenbrock | 3,526.22 mi (5,674.91 km) |
| South Portland to Schluchtern | 3,606.12 mi (5,803.49 km) |
| South Portland to Schmalkalden | 3,632.03 mi (5,845.18 km) |
| South Portland to Schmallenberg | 3,533.98 mi (5,687.38 km) |
| South Portland to Schmelz | 3,525.51 mi (5,673.77 km) |
| South Portland to Schmitten | 3,565.73 mi (5,738.50 km) |
| South Portland to Schmolln | 3,701.14 mi (5,956.40 km) |
| South Portland to Schneeberg | 3,721.84 mi (5,989.73 km) |
| South Portland to Schneverdingen | 3,537.19 mi (5,692.56 km) |
| South Portland to Schonaich | 3,639.27 mi (5,856.84 km) |
| South Portland to Schonebeck | 3,643.40 mi (5,863.48 km) |
| South Portland to Schonefeld | 3,698.79 mi (5,952.63 km) |
