| Leek to Sestu | 1,089.25 mi (1,752.98 km) |
| Leek to Settimo Torinese | 705.50 mi (1,135.39 km) |
| Leek to Seveso | 718.21 mi (1,155.84 km) |
| Leek to Sezze | 1,064.81 mi (1,713.64 km) |
| Leek to Siano | 1,153.91 mi (1,857.04 km) |
| Leek to Siena | 911.18 mi (1,466.41 km) |
| Leek to Signa | 878.70 mi (1,414.13 km) |
| Leek to Silea | 822.13 mi (1,323.08 km) |
| Leek to Silvi Paese | 1,040.78 mi (1,674.97 km) |
| Leek to Sinalunga | 929.09 mi (1,495.23 km) |
| Leek to Siniscola | 1,025.07 mi (1,649.68 km) |
| Leek to Sinnai | 1,091.60 mi (1,756.76 km) |
| Leek to Siracusa | 1,385.50 mi (2,229.74 km) |
| Leek to Solaro | 718.05 mi (1,155.59 km) |
| Leek to Soliera | 822.25 mi (1,323.28 km) |
