| Boulder City to Bollullos par del Condado | 5,615.20 mi (9,036.78 km) |
| Boulder City to Bormujos | 5,633.89 mi (9,066.88 km) |
| Boulder City to Brenes | 5,634.39 mi (9,067.68 km) |
| Boulder City to Brunete | 5,586.50 mi (8,990.60 km) |
| Boulder City to Bueu | 5,309.65 mi (8,545.06 km) |
| Boulder City to Bullas | 5,786.64 mi (9,312.70 km) |
| Boulder City to Bunol | 5,759.16 mi (9,268.47 km) |
| Boulder City to Burela de Cabo | 5,309.69 mi (8,545.13 km) |
| Boulder City to Burgos | 5,512.20 mi (8,871.03 km) |
| Boulder City to Burjasot | 5,770.37 mi (9,286.51 km) |
| Boulder City to Burriana | 5,764.99 mi (9,277.86 km) |
| Boulder City to Cabanaquinta | 5,404.97 mi (8,698.45 km) |
| Boulder City to Cabanillas del Campo | 5,606.34 mi (9,022.53 km) |
| Boulder City to Cabra | 5,698.58 mi (9,170.98 km) |
| Boulder City to Caceres | 5,529.36 mi (8,898.65 km) |
