| Zagarolo to Borgosatollo | 283.08 mi (455.57 km) |
| Zagarolo to Borgosesia | 351.87 mi (566.28 km) |
| Zagarolo to Boscoreale | 112.98 mi (181.83 km) |
| Zagarolo to Boscotrecase | 111.58 mi (179.56 km) |
| Zagarolo to Botticino Sera | 286.72 mi (461.43 km) |
| Zagarolo to Bovalino Marina | 309.62 mi (498.29 km) |
| Zagarolo to Boves | 317.58 mi (511.09 km) |
| Zagarolo to Boville Ernica | 35.02 mi (56.37 km) |
| Zagarolo to Bovisio Masciago | 319.54 mi (514.25 km) |
| Zagarolo to Bovolone | 250.94 mi (403.85 km) |
| Zagarolo to Bra | 319.41 mi (514.05 km) |
| Zagarolo to Bracciano | 38.14 mi (61.38 km) |
| Zagarolo to Brandizzo | 340.51 mi (547.99 km) |
| Zagarolo to Breganze | 274.53 mi (441.81 km) |
| Zagarolo to Brembate | 307.53 mi (494.92 km) |
