| Cities | Distance |
|---|---|
| Boom to Settimo Torinese | 439.89 mi (707.94 km) |
| Boom to Seveso | 434.79 mi (699.73 km) |
| Boom to Sezze | 780.42 mi (1,255.97 km) |
| Boom to Siano | 864.68 mi (1,391.56 km) |
| Boom to Siena | 627.64 mi (1,010.09 km) |
| Boom to Signa | 593.94 mi (955.85 km) |
| Boom to Silea | 522.09 mi (840.23 km) |
| Boom to Silvi Paese | 747.09 mi (1,202.33 km) |
| Boom to Sinalunga | 643.67 mi (1,035.89 km) |
| Boom to Siniscola | 769.59 mi (1,238.53 km) |
| Boom to Sinnai | 846.87 mi (1,362.91 km) |
| Boom to Siracusa | 1,106.97 mi (1,781.50 km) |
| Boom to Solaro | 435.30 mi (700.54 km) |
| Boom to Soliera | 532.87 mi (857.56 km) |
| Boom to Solofra | 867.12 mi (1,395.49 km) |