| Cities | Distance |
|---|---|
| Siena to Beyne-Heusay | 570.60 mi (918.29 km) |
| Siena to Bierbeek | 603.62 mi (971.43 km) |
| Siena to Bilzen | 588.48 mi (947.06 km) |
| Siena to Binche | 594.37 mi (956.54 km) |
| Siena to Bissegem | 642.80 mi (1,034.49 km) |
| Siena to Blankenberge | 671.58 mi (1,080.80 km) |
| Siena to Blegny | 571.78 mi (920.20 km) |
| Siena to Bocholt | 605.57 mi (974.57 km) |
| Siena to Boechout | 628.68 mi (1,011.76 km) |
| Siena to Bonheiden | 620.75 mi (999.00 km) |
| Siena to Boom | 627.64 mi (1,010.09 km) |
| Siena to Boortmeerbeek | 617.07 mi (993.07 km) |
| Siena to Borgerhout | 633.25 mi (1,019.12 km) |
| Siena to Borgloon | 588.45 mi (947.02 km) |
| Siena to Bornem | 631.85 mi (1,016.86 km) |