| Boiro to Solofra | 1,226.76 mi (1,974.28 km) |
| Boiro to Somma Lombardo | 895.11 mi (1,440.53 km) |
| Boiro to Somma Vesuviana | 1,205.14 mi (1,939.49 km) |
| Boiro to Sommacampagna | 996.75 mi (1,604.12 km) |
| Boiro to Sona | 996.11 mi (1,603.08 km) |
| Boiro to Sondrio | 955.30 mi (1,537.40 km) |
| Boiro to Sora | 1,151.21 mi (1,852.69 km) |
| Boiro to Sorbolo | 975.18 mi (1,569.40 km) |
| Boiro to Soresina | 948.09 mi (1,525.80 km) |
| Boiro to Sorisole | 941.37 mi (1,514.98 km) |
| Boiro to Sorrento | 1,206.00 mi (1,940.88 km) |
| Boiro to Sorso | 908.63 mi (1,462.31 km) |
| Boiro to Sortino | 1,318.71 mi (2,122.26 km) |
| Boiro to Soverato Marina | 1,356.21 mi (2,182.60 km) |
| Boiro to Sovicille | 1,016.40 mi (1,635.73 km) |
