| South San Francisco to Sierpc | 5,781.21 mi (9,303.97 km) |
| South San Francisco to Skarzysko-Kamienna | 5,913.79 mi (9,517.32 km) |
| South San Francisco to Skawina | 5,959.66 mi (9,591.15 km) |
| South San Francisco to Skierniewice | 5,846.45 mi (9,408.96 km) |
| South San Francisco to Skoczow | 5,947.79 mi (9,572.05 km) |
| South San Francisco to Skwierzyna | 5,708.70 mi (9,187.27 km) |
| South San Francisco to Slawno | 5,631.24 mi (9,062.61 km) |
| South San Francisco to Slubice | 5,702.04 mi (9,176.54 km) |
| South San Francisco to Slupca | 5,778.41 mi (9,299.45 km) |
| South San Francisco to Slupsk | 5,632.35 mi (9,064.39 km) |
| South San Francisco to Sochaczew | 5,832.03 mi (9,385.75 km) |
| South San Francisco to Sokolka | 5,823.99 mi (9,372.81 km) |
| South San Francisco to Sokolow Podlaski | 5,862.01 mi (9,433.99 km) |
| South San Francisco to Solec Kujawski | 5,739.56 mi (9,236.93 km) |
| South San Francisco to Sopot | 5,664.89 mi (9,116.77 km) |
