| Boulder City to Bougival | 5,427.89 mi (8,735.35 km) |
| Boulder City to Bouguenais | 5,374.85 mi (8,649.98 km) |
| Boulder City to Boulogne-Billancourt | 5,432.68 mi (8,743.06 km) |
| Boulder City to Boulogne-sur-Mer | 5,324.11 mi (8,568.32 km) |
| Boulder City to Bourg-de-Peage | 5,709.88 mi (9,189.17 km) |
| Boulder City to Bourg-en-Bresse | 5,659.02 mi (9,107.32 km) |
| Boulder City to Bourg-la-Reine | 5,437.77 mi (8,751.24 km) |
| Boulder City to Bourg-les-Valence | 5,708.93 mi (9,187.63 km) |
| Boulder City to Bourges | 5,520.17 mi (8,883.86 km) |
| Boulder City to Bourgoin-Jallieu | 5,690.80 mi (9,158.45 km) |
| Boulder City to Bressuire | 5,430.50 mi (8,739.54 km) |
| Boulder City to Brest | 5,218.77 mi (8,398.79 km) |
| Boulder City to Bretigny-sur-Orge | 5,445.34 mi (8,763.43 km) |
| Boulder City to Breuillet | 5,442.94 mi (8,759.57 km) |
| Boulder City to Briancon | 5,771.24 mi (9,287.91 km) |
