| Boulder to Beausoleil | 5,294.06 mi (8,519.97 km) |
| Boulder to Beauvais | 4,844.93 mi (7,797.16 km) |
| Boulder to Begles | 4,948.42 mi (7,963.72 km) |
| Boulder to Belfort | 5,090.47 mi (8,192.33 km) |
| Boulder to Bellegarde-sur-Valserine | 5,125.73 mi (8,249.07 km) |
| Boulder to Bellerive-sur-Allier | 5,038.23 mi (8,108.25 km) |
| Boulder to Bellevue | 4,879.49 mi (7,852.78 km) |
| Boulder to Belley | 5,136.93 mi (8,267.10 km) |
| Boulder to Berck-sur-Mer | 4,785.24 mi (7,701.10 km) |
| Boulder to Bergerac | 4,985.78 mi (8,023.83 km) |
| Boulder to Bernay | 4,806.89 mi (7,735.94 km) |
| Boulder to Berre-l'Etang | 5,223.78 mi (8,406.86 km) |
| Boulder to Besancon | 5,080.24 mi (8,175.86 km) |
| Boulder to Bethune | 4,815.94 mi (7,750.50 km) |
| Boulder to Betton | 4,764.05 mi (7,667.00 km) |
