| Portage to Bilecik | 5,467.13 mi (8,798.49 km) |
| Portage to Bingol | 5,893.42 mi (9,484.55 km) |
| Portage to Birecik | 5,911.41 mi (9,513.50 km) |
| Portage to Bitlis | 5,971.94 mi (9,610.91 km) |
| Portage to Bodrum | 5,528.42 mi (8,897.13 km) |
| Portage to Bogazliyan | 5,701.54 mi (9,175.74 km) |
| Portage to Bolu | 5,494.80 mi (8,843.03 km) |
| Portage to Bolvadin | 5,578.39 mi (8,977.55 km) |
| Portage to Bor | 5,747.22 mi (9,249.26 km) |
| Portage to Borcka | 5,793.19 mi (9,323.24 km) |
| Portage to Boyabat | 5,565.41 mi (8,956.66 km) |
| Portage to Bozdogan | 5,530.24 mi (8,900.07 km) |
| Portage to Bozkir | 5,700.53 mi (9,174.12 km) |
| Portage to Bozkurt | 5,571.77 mi (8,966.90 km) |
| Portage to Bozuyuk | 5,481.12 mi (8,821.00 km) |
