| Saint-Gregoire to Bougival | 181.91 mi (292.75 km) |
| Saint-Gregoire to Bouguenais | 67.34 mi (108.37 km) |
| Saint-Gregoire to Boulogne-Billancourt | 185.90 mi (299.17 km) |
| Saint-Gregoire to Boulogne-sur-Mer | 231.59 mi (372.70 km) |
| Saint-Gregoire to Bourg-de-Peage | 385.20 mi (619.93 km) |
| Saint-Gregoire to Bourg-en-Bresse | 351.31 mi (565.38 km) |
| Saint-Gregoire to Bourg-la-Reine | 188.36 mi (303.13 km) |
| Saint-Gregoire to Bourg-les-Valence | 382.92 mi (616.25 km) |
| Saint-Gregoire to Bourges | 203.89 mi (328.13 km) |
| Saint-Gregoire to Bourgoin-Jallieu | 373.28 mi (600.74 km) |
| Saint-Gregoire to Bressuire | 106.45 mi (171.31 km) |
| Saint-Gregoire to Brest | 129.99 mi (209.21 km) |
| Saint-Gregoire to Bretigny-sur-Orge | 185.91 mi (299.19 km) |
| Saint-Gregoire to Breuillet | 179.38 mi (288.69 km) |
| Saint-Gregoire to Briancon | 454.70 mi (731.77 km) |
