| Letchworth to Selargius | 987.50 mi (1,589.22 km) |
| Letchworth to Selvazzano Dentro | 711.14 mi (1,144.47 km) |
| Letchworth to Senago | 613.02 mi (986.55 km) |
| Letchworth to Senigallia | 843.12 mi (1,356.87 km) |
| Letchworth to Seravezza | 732.00 mi (1,178.04 km) |
| Letchworth to Seregno | 611.63 mi (984.32 km) |
| Letchworth to Seriate | 626.48 mi (1,008.23 km) |
| Letchworth to Sermoneta | 951.08 mi (1,530.61 km) |
| Letchworth to Serramanna | 971.64 mi (1,563.71 km) |
| Letchworth to Serravalle Pistoiese | 755.82 mi (1,216.37 km) |
| Letchworth to Sessa Aurunca | 998.07 mi (1,606.23 km) |
| Letchworth to Sesto Calende | 589.53 mi (948.75 km) |
| Letchworth to Sesto Fiorentino | 770.86 mi (1,240.58 km) |
| Letchworth to Sesto San Giovanni | 618.79 mi (995.84 km) |
| Letchworth to Sestri Levante | 691.88 mi (1,113.48 km) |
