| Houghton Regis to Bilecik | 1,656.45 mi (2,665.80 km) |
| Houghton Regis to Bingol | 2,148.15 mi (3,457.11 km) |
| Houghton Regis to Birecik | 2,124.83 mi (3,419.59 km) |
| Houghton Regis to Bitlis | 2,236.89 mi (3,599.93 km) |
| Houghton Regis to Bodrum | 1,701.12 mi (2,737.69 km) |
| Houghton Regis to Bogazliyan | 1,914.75 mi (3,081.50 km) |
| Houghton Regis to Bolu | 1,697.68 mi (2,732.16 km) |
| Houghton Regis to Bolvadin | 1,763.92 mi (2,838.76 km) |
| Houghton Regis to Bor | 1,945.13 mi (3,130.39 km) |
| Houghton Regis to Borcka | 2,095.99 mi (3,373.17 km) |
| Houghton Regis to Boyabat | 1,799.41 mi (2,895.87 km) |
| Houghton Regis to Bozdogan | 1,704.19 mi (2,742.63 km) |
| Houghton Regis to Bozkir | 1,883.17 mi (3,030.67 km) |
| Houghton Regis to Bozkurt | 1,748.60 mi (2,814.10 km) |
| Houghton Regis to Bozuyuk | 1,669.19 mi (2,686.30 km) |
