| Boo to Sestu | 1,440.15 mi (2,317.70 km) |
| Boo to Settimo Torinese | 1,072.77 mi (1,726.45 km) |
| Boo to Seveso | 1,017.40 mi (1,637.35 km) |
| Boo to Sezze | 1,251.08 mi (2,013.41 km) |
| Boo to Siano | 1,288.44 mi (2,073.55 km) |
| Boo to Siena | 1,143.57 mi (1,840.40 km) |
| Boo to Signa | 1,114.82 mi (1,794.13 km) |
| Boo to Silea | 975.67 mi (1,570.19 km) |
| Boo to Silvi Paese | 1,171.81 mi (1,885.85 km) |
| Boo to Sinalunga | 1,146.20 mi (1,844.64 km) |
| Boo to Siniscola | 1,347.08 mi (2,167.92 km) |
| Boo to Sinnai | 1,438.58 mi (2,315.18 km) |
| Boo to Siracusa | 1,542.83 mi (2,482.95 km) |
| Boo to Solaro | 1,020.08 mi (1,641.67 km) |
| Boo to Soliera | 1,052.81 mi (1,694.33 km) |
