| Grantham to Sierpc | 843.42 mi (1,357.35 km) |
| Grantham to Skarzysko-Kamienna | 921.39 mi (1,482.83 km) |
| Grantham to Skawina | 901.13 mi (1,450.24 km) |
| Grantham to Skierniewice | 874.90 mi (1,408.01 km) |
| Grantham to Skoczow | 862.42 mi (1,387.93 km) |
| Grantham to Skwierzyna | 673.72 mi (1,084.24 km) |
| Grantham to Slawno | 714.30 mi (1,149.56 km) |
| Grantham to Slubice | 637.59 mi (1,026.10 km) |
| Grantham to Slupca | 775.42 mi (1,247.92 km) |
| Grantham to Slupsk | 728.68 mi (1,172.70 km) |
| Grantham to Sochaczew | 874.54 mi (1,407.44 km) |
| Grantham to Sokolka | 995.77 mi (1,602.54 km) |
| Grantham to Sokolow Podlaski | 955.81 mi (1,538.24 km) |
| Grantham to Solec Kujawski | 782.50 mi (1,259.30 km) |
| Grantham to Sopot | 790.42 mi (1,272.06 km) |
