| Gloucester City to Sierpc | 4,268.83 mi (6,870.02 km) |
| Gloucester City to Skarzysko-Kamienna | 4,376.73 mi (7,043.66 km) |
| Gloucester City to Skawina | 4,376.76 mi (7,043.71 km) |
| Gloucester City to Skierniewice | 4,318.26 mi (6,949.57 km) |
| Gloucester City to Skoczow | 4,343.35 mi (6,989.95 km) |
| Gloucester City to Skwierzyna | 4,125.11 mi (6,638.72 km) |
| Gloucester City to Slawno | 4,112.49 mi (6,618.41 km) |
| Gloucester City to Slubice | 4,098.00 mi (6,595.09 km) |
| Gloucester City to Slupca | 4,222.76 mi (6,795.88 km) |
| Gloucester City to Slupsk | 4,121.75 mi (6,633.32 km) |
| Gloucester City to Sochaczew | 4,311.96 mi (6,939.43 km) |
| Gloucester City to Sokolka | 4,386.78 mi (7,059.84 km) |
| Gloucester City to Sokolow Podlaski | 4,378.98 mi (7,047.29 km) |
| Gloucester City to Solec Kujawski | 4,210.07 mi (6,775.46 km) |
| Gloucester City to Sopot | 4,176.87 mi (6,722.02 km) |
