| Longmont to Bougival | 4,858.35 mi (7,818.76 km) |
| Longmont to Bouguenais | 4,794.23 mi (7,715.57 km) |
| Longmont to Boulogne-Billancourt | 4,863.22 mi (7,826.60 km) |
| Longmont to Boulogne-sur-Mer | 4,759.59 mi (7,659.81 km) |
| Longmont to Bourg-de-Peage | 5,134.47 mi (8,263.13 km) |
| Longmont to Bourg-en-Bresse | 5,087.18 mi (8,187.03 km) |
| Longmont to Bourg-la-Reine | 4,868.27 mi (7,834.72 km) |
| Longmont to Bourg-les-Valence | 5,132.99 mi (8,260.76 km) |
| Longmont to Bourges | 4,945.78 mi (7,959.46 km) |
| Longmont to Bourgoin-Jallieu | 5,117.30 mi (8,235.49 km) |
| Longmont to Bressuire | 4,850.69 mi (7,806.43 km) |
| Longmont to Brest | 4,637.34 mi (7,463.08 km) |
| Longmont to Bretigny-sur-Orge | 4,875.31 mi (7,846.06 km) |
| Longmont to Breuillet | 4,872.54 mi (7,841.60 km) |
| Longmont to Briancon | 5,198.38 mi (8,365.99 km) |
