| Leixlip to Settimo Torinese | 855.55 mi (1,376.88 km) |
| Leixlip to Seveso | 877.81 mi (1,412.70 km) |
| Leixlip to Sezze | 1,220.37 mi (1,963.99 km) |
| Leixlip to Siano | 1,312.48 mi (2,112.24 km) |
| Leixlip to Siena | 1,067.84 mi (1,718.52 km) |
| Leixlip to Signa | 1,036.61 mi (1,668.26 km) |
| Leixlip to Silea | 992.38 mi (1,597.09 km) |
| Leixlip to Silvi Paese | 1,203.82 mi (1,937.37 km) |
| Leixlip to Sinalunga | 1,086.83 mi (1,749.08 km) |
| Leixlip to Siniscola | 1,162.05 mi (1,870.15 km) |
| Leixlip to Sinnai | 1,220.80 mi (1,964.69 km) |
| Leixlip to Siracusa | 1,534.04 mi (2,468.80 km) |
| Leixlip to Solaro | 877.27 mi (1,411.83 km) |
| Leixlip to Soliera | 984.05 mi (1,583.68 km) |
| Leixlip to Solofra | 1,316.29 mi (2,118.37 km) |
