| Grevena to Bingol | 1,018.54 mi (1,639.18 km) |
| Grevena to Birecik | 917.37 mi (1,476.36 km) |
| Grevena to Bitlis | 1,110.23 mi (1,786.74 km) |
| Grevena to Bodrum | 386.24 mi (621.60 km) |
| Grevena to Bogazliyan | 737.13 mi (1,186.29 km) |
| Grevena to Bolu | 537.14 mi (864.44 km) |
| Grevena to Bolvadin | 522.10 mi (840.23 km) |
| Grevena to Bor | 721.16 mi (1,160.59 km) |
| Grevena to Borcka | 1,061.68 mi (1,708.61 km) |
| Grevena to Boyabat | 703.92 mi (1,132.85 km) |
| Grevena to Bozdogan | 405.84 mi (653.14 km) |
| Grevena to Bozkir | 616.71 mi (992.49 km) |
| Grevena to Bozkurt | 466.89 mi (751.38 km) |
| Grevena to Bozuyuk | 455.68 mi (733.35 km) |
| Grevena to Bucak | 525.81 mi (846.21 km) |
