| Solothurn to Bingol | 1,745.94 mi (2,809.82 km) |
| Solothurn to Birecik | 1,697.60 mi (2,732.02 km) |
| Solothurn to Bitlis | 1,837.74 mi (2,957.56 km) |
| Solothurn to Bodrum | 1,232.63 mi (1,983.73 km) |
| Solothurn to Bogazliyan | 1,491.90 mi (2,400.98 km) |
| Solothurn to Bolu | 1,271.77 mi (2,046.72 km) |
| Solothurn to Bolvadin | 1,319.08 mi (2,122.85 km) |
| Solothurn to Bor | 1,509.39 mi (2,429.13 km) |
| Solothurn to Borcka | 1,721.72 mi (2,770.84 km) |
| Solothurn to Boyabat | 1,395.28 mi (2,245.48 km) |
| Solothurn to Bozdogan | 1,241.88 mi (1,998.62 km) |
| Solothurn to Bozkir | 1,433.33 mi (2,306.72 km) |
| Solothurn to Bozkurt | 1,292.07 mi (2,079.39 km) |
| Solothurn to Bozuyuk | 1,228.91 mi (1,977.74 km) |
| Solothurn to Bucak | 1,349.65 mi (2,172.05 km) |
