| Boulder City to Bilecik | 6,732.64 mi (10,835.14 km) |
| Boulder City to Bingol | 7,040.89 mi (11,331.22 km) |
| Boulder City to Birecik | 7,111.01 mi (11,444.06 km) |
| Boulder City to Bitlis | 7,101.54 mi (11,428.83 km) |
| Boulder City to Bodrum | 6,853.11 mi (11,029.02 km) |
| Boulder City to Bogazliyan | 6,914.79 mi (11,128.27 km) |
| Boulder City to Bolu | 6,735.79 mi (10,840.21 km) |
| Boulder City to Bolvadin | 6,846.46 mi (11,018.32 km) |
| Boulder City to Bor | 6,981.98 mi (11,236.41 km) |
| Boulder City to Borcka | 6,900.52 mi (11,105.32 km) |
| Boulder City to Boyabat | 6,761.43 mi (10,881.47 km) |
| Boulder City to Bozdogan | 6,839.19 mi (11,006.61 km) |
| Boulder City to Bozkir | 6,970.10 mi (11,217.29 km) |
| Boulder City to Bozkurt | 6,865.03 mi (11,048.19 km) |
| Boulder City to Bozuyuk | 6,748.42 mi (10,860.54 km) |
