| Llantrisant to Bilecik | 1,767.57 mi (2,844.64 km) |
| Llantrisant to Bingol | 2,266.35 mi (3,647.34 km) |
| Llantrisant to Birecik | 2,239.06 mi (3,603.42 km) |
| Llantrisant to Bitlis | 2,355.58 mi (3,790.95 km) |
| Llantrisant to Bodrum | 1,802.57 mi (2,900.96 km) |
| Llantrisant to Bogazliyan | 2,029.50 mi (3,266.17 km) |
| Llantrisant to Bolu | 1,811.50 mi (2,915.33 km) |
| Llantrisant to Bolvadin | 1,873.71 mi (3,015.45 km) |
| Llantrisant to Bor | 2,057.38 mi (3,311.03 km) |
| Llantrisant to Borcka | 2,217.08 mi (3,568.04 km) |
| Llantrisant to Boyabat | 1,916.86 mi (3,084.88 km) |
| Llantrisant to Bozdogan | 1,808.35 mi (2,910.25 km) |
| Llantrisant to Bozkir | 1,991.76 mi (3,205.43 km) |
| Llantrisant to Bozkurt | 1,854.92 mi (2,985.20 km) |
| Llantrisant to Bozuyuk | 1,779.95 mi (2,864.55 km) |
