| Opatija to Barcellona-Pozzo di Gotto | 498.55 mi (802.34 km) |
| Opatija to Bareggio | 258.05 mi (415.29 km) |
| Opatija to Barga | 206.65 mi (332.58 km) |
| Opatija to Bari | 318.12 mi (511.96 km) |
| Opatija to Barletta | 294.86 mi (474.52 km) |
| Opatija to Baronissi | 317.83 mi (511.49 km) |
| Opatija to Barrafranca | 550.46 mi (885.88 km) |
| Opatija to Bassano del Grappa | 127.70 mi (205.51 km) |
| Opatija to Battipaglia | 327.71 mi (527.39 km) |
| Opatija to Beinasco | 327.78 mi (527.52 km) |
| Opatija to Bellinzago Novarese | 275.12 mi (442.76 km) |
| Opatija to Belluno | 114.90 mi (184.91 km) |
| Opatija to Belmonte Mezzagno | 505.43 mi (813.42 km) |
| Opatija to Belpasso | 536.63 mi (863.63 km) |
| Opatija to Belvedere Marittimo | 402.94 mi (648.48 km) |
