| Aosta to Bingol | 1,746.45 mi (2,810.64 km) |
| Aosta to Birecik | 1,686.96 mi (2,714.90 km) |
| Aosta to Bitlis | 1,838.96 mi (2,959.53 km) |
| Aosta to Bodrum | 1,198.17 mi (1,928.27 km) |
| Aosta to Bogazliyan | 1,484.81 mi (2,389.57 km) |
| Aosta to Bolu | 1,265.07 mi (2,035.93 km) |
| Aosta to Bolvadin | 1,301.37 mi (2,094.36 km) |
| Aosta to Bor | 1,495.51 mi (2,406.80 km) |
| Aosta to Borcka | 1,733.31 mi (2,789.49 km) |
| Aosta to Boyabat | 1,397.65 mi (2,249.31 km) |
| Aosta to Bozdogan | 1,212.68 mi (1,951.61 km) |
| Aosta to Bozkir | 1,411.65 mi (2,271.83 km) |
| Aosta to Bozkurt | 1,266.87 mi (2,038.83 km) |
| Aosta to Bozuyuk | 1,214.76 mi (1,954.96 km) |
| Aosta to Bucak | 1,325.26 mi (2,132.80 km) |
