| Waltham to Bilecik | 4,909.02 mi (7,900.31 km) |
| Waltham to Bingol | 5,379.86 mi (8,658.05 km) |
| Waltham to Birecik | 5,373.35 mi (8,647.57 km) |
| Waltham to Bitlis | 5,464.33 mi (8,793.99 km) |
| Waltham to Bodrum | 4,940.46 mi (7,950.89 km) |
| Waltham to Bogazliyan | 5,162.54 mi (8,308.31 km) |
| Waltham to Bolu | 4,947.86 mi (7,962.81 km) |
| Waltham to Bolvadin | 5,016.44 mi (8,073.18 km) |
| Waltham to Bor | 5,196.99 mi (8,363.74 km) |
| Waltham to Borcka | 5,301.23 mi (8,531.51 km) |
| Waltham to Boyabat | 5,038.19 mi (8,108.19 km) |
| Waltham to Bozdogan | 4,949.80 mi (7,965.93 km) |
| Waltham to Bozkir | 5,135.06 mi (8,264.09 km) |
| Waltham to Bozkurt | 4,997.94 mi (8,043.42 km) |
| Waltham to Bozuyuk | 4,921.81 mi (7,920.89 km) |
