| Boulder to Bois-Colombes | 4,873.35 mi (7,842.90 km) |
| Boulder to Bois-d'Arcy | 4,870.08 mi (7,837.64 km) |
| Boulder to Bois-Guillaume | 4,809.00 mi (7,739.34 km) |
| Boulder to Boissy-Saint-Leger | 4,889.16 mi (7,868.35 km) |
| Boulder to Bolbec | 4,781.83 mi (7,695.61 km) |
| Boulder to Bollene | 5,171.06 mi (8,322.02 km) |
| Boulder to Bondoufle | 4,890.62 mi (7,870.70 km) |
| Boulder to Bondues | 4,823.85 mi (7,763.24 km) |
| Boulder to Bondy | 4,881.56 mi (7,856.11 km) |
| Boulder to Bonneuil-sur-Marne | 4,887.33 mi (7,865.40 km) |
| Boulder to Bonneville | 5,147.47 mi (8,284.05 km) |
| Boulder to Bordeaux | 4,945.83 mi (7,959.55 km) |
| Boulder to Borgo | 5,423.72 mi (8,728.63 km) |
| Boulder to Bouc-Bel-Air | 5,233.90 mi (8,423.16 km) |
| Boulder to Boucau | 4,967.45 mi (7,994.33 km) |
