| Mackworth to Bilecik | 1,718.64 mi (2,765.89 km) |
| Mackworth to Bingol | 2,201.01 mi (3,542.18 km) |
| Mackworth to Birecik | 2,183.24 mi (3,513.59 km) |
| Mackworth to Bitlis | 2,288.88 mi (3,683.59 km) |
| Mackworth to Bodrum | 1,770.79 mi (2,849.81 km) |
| Mackworth to Bogazliyan | 1,972.70 mi (3,174.76 km) |
| Mackworth to Bolu | 1,756.96 mi (2,827.56 km) |
| Mackworth to Bolvadin | 1,827.27 mi (2,940.70 km) |
| Mackworth to Bor | 2,005.91 mi (3,228.20 km) |
| Mackworth to Borcka | 2,143.28 mi (3,449.27 km) |
| Mackworth to Boyabat | 1,853.77 mi (2,983.36 km) |
| Mackworth to Bozdogan | 1,772.08 mi (2,851.89 km) |
| Mackworth to Bozkir | 1,947.46 mi (3,134.14 km) |
| Mackworth to Bozkurt | 1,814.86 mi (2,920.74 km) |
| Mackworth to Bozuyuk | 1,731.72 mi (2,786.94 km) |
