| Grez-Doiceau to Bouguenais | 377.41 mi (607.38 km) |
| Grez-Doiceau to Boulogne-Billancourt | 170.96 mi (275.13 km) |
| Grez-Doiceau to Boulogne-sur-Mer | 134.93 mi (217.14 km) |
| Grez-Doiceau to Bourg-de-Peage | 393.85 mi (633.85 km) |
| Grez-Doiceau to Bourg-en-Bresse | 313.77 mi (504.96 km) |
| Grez-Doiceau to Bourg-la-Reine | 171.89 mi (276.64 km) |
| Grez-Doiceau to Bourg-les-Valence | 399.86 mi (643.52 km) |
| Grez-Doiceau to Bourges | 272.92 mi (439.22 km) |
| Grez-Doiceau to Bourgoin-Jallieu | 356.62 mi (573.92 km) |
| Grez-Doiceau to Bressuire | 357.81 mi (575.83 km) |
| Grez-Doiceau to Brest | 442.16 mi (711.59 km) |
| Grez-Doiceau to Bretigny-sur-Orge | 181.51 mi (292.11 km) |
| Grez-Doiceau to Breuillet | 187.64 mi (301.97 km) |
| Grez-Doiceau to Briancon | 413.16 mi (664.92 km) |
| Grez-Doiceau to Brie-Comte-Robert | 169.08 mi (272.10 km) |
