| Leek to Sycow | 842.48 mi (1,355.85 km) |
| Leek to Szamotuly | 774.91 mi (1,247.10 km) |
| Leek to Szczecin | 683.57 mi (1,100.10 km) |
| Leek to Szczecinek | 769.32 mi (1,238.09 km) |
| Leek to Szczytno | 945.55 mi (1,521.72 km) |
| Leek to Szprotawa | 746.86 mi (1,201.96 km) |
| Leek to Sztum | 863.73 mi (1,390.04 km) |
| Leek to Szubin | 818.43 mi (1,317.14 km) |
| Leek to Szydlowiec | 973.64 mi (1,566.92 km) |
| Leek to Tarnobrzeg | 1,021.94 mi (1,644.66 km) |
| Leek to Tarnow | 1,006.67 mi (1,620.07 km) |
| Leek to Tarnowskie Gory | 908.02 mi (1,461.31 km) |
| Leek to Tczew | 853.28 mi (1,373.23 km) |
| Leek to Tomaszow Lubelski | 1,096.87 mi (1,765.25 km) |
| Leek to Tomaszow Mazowiecki | 933.69 mi (1,502.63 km) |
