| Gretz-Armainvilliers to Borgosesia | 333.09 mi (536.06 km) |
| Gretz-Armainvilliers to Boscoreale | 795.74 mi (1,280.62 km) |
| Gretz-Armainvilliers to Boscotrecase | 794.31 mi (1,278.32 km) |
| Gretz-Armainvilliers to Botticino Sera | 416.07 mi (669.59 km) |
| Gretz-Armainvilliers to Bovalino Marina | 991.85 mi (1,596.23 km) |
| Gretz-Armainvilliers to Boves | 380.80 mi (612.84 km) |
| Gretz-Armainvilliers to Boville Ernica | 715.05 mi (1,150.77 km) |
| Gretz-Armainvilliers to Bovisio Masciago | 370.45 mi (596.19 km) |
| Gretz-Armainvilliers to Bovolone | 463.12 mi (745.33 km) |
| Gretz-Armainvilliers to Bra | 369.53 mi (594.70 km) |
| Gretz-Armainvilliers to Bracciano | 647.56 mi (1,042.15 km) |
| Gretz-Armainvilliers to Brandizzo | 344.21 mi (553.95 km) |
| Gretz-Armainvilliers to Breganze | 464.30 mi (747.23 km) |
| Gretz-Armainvilliers to Brembate | 386.54 mi (622.08 km) |
| Gretz-Armainvilliers to Brescia | 415.33 mi (668.41 km) |
