| Royston to Bilecik | 1,639.01 mi (2,637.73 km) |
| Royston to Bingol | 2,128.41 mi (3,425.35 km) |
| Royston to Birecik | 2,106.38 mi (3,389.90 km) |
| Royston to Bitlis | 2,216.99 mi (3,567.90 km) |
| Royston to Bodrum | 1,686.35 mi (2,713.92 km) |
| Royston to Bogazliyan | 1,896.17 mi (3,051.59 km) |
| Royston to Bolu | 1,679.42 mi (2,702.77 km) |
| Royston to Bolvadin | 1,746.85 mi (2,811.28 km) |
| Royston to Bor | 1,927.31 mi (3,101.70 km) |
| Royston to Borcka | 2,075.21 mi (3,339.72 km) |
| Royston to Boyabat | 1,779.97 mi (2,864.58 km) |
| Royston to Bozdogan | 1,688.70 mi (2,717.70 km) |
| Royston to Bozkir | 1,866.41 mi (3,003.70 km) |
| Royston to Bozkurt | 1,732.50 mi (2,788.19 km) |
| Royston to Bozuyuk | 1,651.85 mi (2,658.40 km) |
