| Romanshorn to Bingol | 1,665.05 mi (2,679.64 km) |
| Romanshorn to Birecik | 1,621.24 mi (2,609.13 km) |
| Romanshorn to Bitlis | 1,756.52 mi (2,826.84 km) |
| Romanshorn to Bodrum | 1,170.40 mi (1,883.58 km) |
| Romanshorn to Bogazliyan | 1,414.28 mi (2,276.07 km) |
| Romanshorn to Bolu | 1,194.38 mi (1,922.17 km) |
| Romanshorn to Bolvadin | 1,246.78 mi (2,006.51 km) |
| Romanshorn to Bor | 1,434.81 mi (2,309.11 km) |
| Romanshorn to Borcka | 1,637.36 mi (2,635.07 km) |
| Romanshorn to Boyabat | 1,314.11 mi (2,114.85 km) |
| Romanshorn to Bozdogan | 1,176.29 mi (1,893.05 km) |
| Romanshorn to Bozkir | 1,362.88 mi (2,193.34 km) |
| Romanshorn to Bozkurt | 1,223.95 mi (1,969.75 km) |
| Romanshorn to Bozuyuk | 1,155.06 mi (1,858.89 km) |
| Romanshorn to Bucak | 1,280.90 mi (2,061.41 km) |
