| Kalkar to Skarzysko-Kamienna | 630.41 mi (1,014.54 km) |
| Kalkar to Skawina | 601.93 mi (968.72 km) |
| Kalkar to Skierniewice | 590.72 mi (950.68 km) |
| Kalkar to Skoczow | 561.45 mi (903.56 km) |
| Kalkar to Skwierzyna | 394.41 mi (634.75 km) |
| Kalkar to Slawno | 467.11 mi (751.73 km) |
| Kalkar to Slubice | 353.95 mi (569.62 km) |
| Kalkar to Slupca | 493.12 mi (793.61 km) |
| Kalkar to Slupsk | 482.97 mi (777.27 km) |
| Kalkar to Sochaczew | 593.26 mi (954.76 km) |
| Kalkar to Sokolka | 729.84 mi (1,174.56 km) |
| Kalkar to Sokolow Podlaski | 677.90 mi (1,090.97 km) |
| Kalkar to Solec Kujawski | 511.13 mi (822.58 km) |
| Kalkar to Sopot | 541.75 mi (871.87 km) |
| Kalkar to Sosnowiec | 566.42 mi (911.56 km) |
