| Boo to Selargius | 1,442.39 mi (2,321.30 km) |
| Boo to Selvazzano Dentro | 999.51 mi (1,608.55 km) |
| Boo to Senago | 1,021.40 mi (1,643.79 km) |
| Boo to Senigallia | 1,098.83 mi (1,768.40 km) |
| Boo to Seravezza | 1,110.77 mi (1,787.62 km) |
| Boo to Seregno | 1,016.01 mi (1,635.11 km) |
| Boo to Seriate | 1,006.01 mi (1,619.02 km) |
| Boo to Sermoneta | 1,248.31 mi (2,008.96 km) |
| Boo to Serramanna | 1,433.95 mi (2,307.72 km) |
| Boo to Serravalle Pistoiese | 1,110.08 mi (1,786.50 km) |
| Boo to Sessa Aurunca | 1,263.25 mi (2,033.01 km) |
| Boo to Sesto Calende | 1,019.47 mi (1,640.68 km) |
| Boo to Sesto Fiorentino | 1,110.32 mi (1,786.89 km) |
| Boo to Sesto San Giovanni | 1,023.16 mi (1,646.61 km) |
| Boo to Sestri Levante | 1,103.90 mi (1,776.55 km) |
