| Big Spring to Bilecik | 6,552.04 mi (10,544.48 km) |
| Big Spring to Bingol | 6,950.19 mi (11,185.25 km) |
| Big Spring to Birecik | 6,982.98 mi (11,238.02 km) |
| Big Spring to Bitlis | 7,024.05 mi (11,304.11 km) |
| Big Spring to Bodrum | 6,625.69 mi (10,663.02 km) |
| Big Spring to Bogazliyan | 6,775.14 mi (10,903.53 km) |
| Big Spring to Bolu | 6,574.03 mi (10,579.88 km) |
| Big Spring to Bolvadin | 6,664.53 mi (10,725.53 km) |
| Big Spring to Bor | 6,826.59 mi (10,986.33 km) |
| Big Spring to Borcka | 6,836.60 mi (11,002.45 km) |
| Big Spring to Boyabat | 6,633.35 mi (10,675.35 km) |
| Big Spring to Bozdogan | 6,624.64 mi (10,661.32 km) |
| Big Spring to Bozkir | 6,787.71 mi (10,923.76 km) |
| Big Spring to Bozkurt | 6,663.27 mi (10,723.50 km) |
| Big Spring to Bozuyuk | 6,566.52 mi (10,567.79 km) |
