| Groslay to Borgosesia | 357.45 mi (575.26 km) |
| Groslay to Boscoreale | 820.20 mi (1,319.99 km) |
| Groslay to Boscotrecase | 818.77 mi (1,317.68 km) |
| Groslay to Botticino Sera | 439.86 mi (707.88 km) |
| Groslay to Bovalino Marina | 1,016.38 mi (1,635.70 km) |
| Groslay to Boves | 405.14 mi (652.02 km) |
| Groslay to Boville Ernica | 739.51 mi (1,190.12 km) |
| Groslay to Bovisio Masciago | 394.59 mi (635.03 km) |
| Groslay to Bovolone | 486.79 mi (783.41 km) |
| Groslay to Bra | 394.03 mi (634.12 km) |
| Groslay to Bracciano | 672.07 mi (1,081.60 km) |
| Groslay to Brandizzo | 368.74 mi (593.43 km) |
| Groslay to Breganze | 487.38 mi (784.37 km) |
| Groslay to Brembate | 410.54 mi (660.70 km) |
| Groslay to Brescia | 439.12 mi (706.69 km) |
