| Leek to Selargius | 1,093.68 mi (1,760.11 km) |
| Leek to Selvazzano Dentro | 817.71 mi (1,315.97 km) |
| Leek to Senago | 721.26 mi (1,160.76 km) |
| Leek to Senigallia | 950.33 mi (1,529.41 km) |
| Leek to Seravezza | 840.44 mi (1,352.57 km) |
| Leek to Seregno | 719.81 mi (1,158.42 km) |
| Leek to Seriate | 734.35 mi (1,181.83 km) |
| Leek to Sermoneta | 1,059.48 mi (1,705.06 km) |
| Leek to Serramanna | 1,077.67 mi (1,734.35 km) |
| Leek to Serravalle Pistoiese | 864.15 mi (1,390.71 km) |
| Leek to Sessa Aurunca | 1,106.30 mi (1,780.42 km) |
| Leek to Sesto Calende | 697.89 mi (1,123.14 km) |
| Leek to Sesto Fiorentino | 879.09 mi (1,414.76 km) |
| Leek to Sesto San Giovanni | 727.01 mi (1,170.02 km) |
| Leek to Sestri Levante | 800.39 mi (1,288.10 km) |
