| Opava to Barcellona-Pozzo di Gotto | 825.20 mi (1,328.03 km) |
| Opava to Bareggio | 516.65 mi (831.47 km) |
| Opava to Barga | 534.65 mi (860.43 km) |
| Opava to Bari | 610.96 mi (983.24 km) |
| Opava to Barletta | 600.77 mi (966.84 km) |
| Opava to Baronissi | 652.92 mi (1,050.78 km) |
| Opava to Barrafranca | 887.83 mi (1,428.82 km) |
| Opava to Bassano del Grappa | 405.83 mi (653.12 km) |
| Opava to Battipaglia | 659.38 mi (1,061.17 km) |
| Opava to Beinasco | 589.01 mi (947.93 km) |
| Opava to Bellinzago Novarese | 524.71 mi (844.44 km) |
| Opava to Belluno | 371.14 mi (597.29 km) |
| Opava to Belmonte Mezzagno | 851.16 mi (1,369.81 km) |
| Opava to Belpasso | 865.81 mi (1,393.39 km) |
| Opava to Belvedere Marittimo | 720.03 mi (1,158.78 km) |
