| Opatija to Bingol | 1,407.61 mi (2,265.33 km) |
| Opatija to Birecik | 1,351.81 mi (2,175.53 km) |
| Opatija to Bitlis | 1,500.07 mi (2,414.12 km) |
| Opatija to Bodrum | 889.19 mi (1,431.02 km) |
| Opatija to Bogazliyan | 1,147.84 mi (1,847.27 km) |
| Opatija to Bolu | 927.79 mi (1,493.13 km) |
| Opatija to Bolvadin | 971.04 mi (1,562.73 km) |
| Opatija to Bor | 1,162.28 mi (1,870.52 km) |
| Opatija to Borcka | 1,395.61 mi (2,246.02 km) |
| Opatija to Boyabat | 1,058.65 mi (1,703.73 km) |
| Opatija to Bozdogan | 895.52 mi (1,441.19 km) |
| Opatija to Bozkir | 1,085.12 mi (1,746.33 km) |
| Opatija to Bozkurt | 944.36 mi (1,519.80 km) |
| Opatija to Bozuyuk | 881.55 mi (1,418.72 km) |
| Opatija to Bucak | 1,001.74 mi (1,612.14 km) |
