| Leavenworth to Sierpc | 4,966.18 mi (7,992.30 km) |
| Leavenworth to Skarzysko-Kamienna | 5,088.19 mi (8,188.66 km) |
| Leavenworth to Skawina | 5,107.21 mi (8,219.26 km) |
| Leavenworth to Skierniewice | 5,024.00 mi (8,085.34 km) |
| Leavenworth to Skoczow | 5,081.59 mi (8,178.03 km) |
| Leavenworth to Skwierzyna | 4,847.30 mi (7,800.98 km) |
| Leavenworth to Slawno | 4,806.82 mi (7,735.83 km) |
| Leavenworth to Slubice | 4,827.86 mi (7,769.69 km) |
| Leavenworth to Slupca | 4,936.63 mi (7,944.74 km) |
| Leavenworth to Slupsk | 4,812.96 mi (7,745.72 km) |
| Leavenworth to Sochaczew | 5,014.08 mi (8,069.38 km) |
| Leavenworth to Sokolka | 5,056.90 mi (8,138.29 km) |
| Leavenworth to Sokolow Podlaski | 5,068.01 mi (8,156.18 km) |
| Leavenworth to Solec Kujawski | 4,912.50 mi (7,905.91 km) |
| Leavenworth to Sopot | 4,860.56 mi (7,822.32 km) |
