| Cities | Distance |
|---|---|
| Boom to Somma Lombardo | 422.61 mi (680.12 km) |
| Boom to Somma Vesuviana | 853.58 mi (1,373.71 km) |
| Boom to Sommacampagna | 492.74 mi (793.00 km) |
| Boom to Sona | 490.39 mi (789.21 km) |
| Boom to Sondrio | 422.15 mi (679.38 km) |
| Boom to Sora | 781.66 mi (1,257.96 km) |
| Boom to Sorbolo | 514.26 mi (827.63 km) |
| Boom to Soresina | 473.39 mi (761.85 km) |
| Boom to Sorisole | 441.65 mi (710.77 km) |
| Boom to Sorrento | 866.46 mi (1,394.43 km) |
| Boom to Sorso | 738.54 mi (1,188.57 km) |
| Boom to Sortino | 1,094.88 mi (1,762.04 km) |
| Boom to Soverato Marina | 1,040.95 mi (1,675.24 km) |
| Boom to Sovicille | 627.40 mi (1,009.70 km) |
| Boom to Spello | 681.52 mi (1,096.79 km) |