| Opava to Azcoitia | 1,063.37 mi (1,711.32 km) |
| Opava to Azpeitia | 1,061.35 mi (1,708.08 km) |
| Opava to Azuqueca de Henares | 1,210.10 mi (1,947.47 km) |
| Opava to Badajoz | 1,435.92 mi (2,310.89 km) |
| Opava to Badalona | 954.61 mi (1,536.29 km) |
| Opava to Baena | 1,388.68 mi (2,234.86 km) |
| Opava to Baeza | 1,337.94 mi (2,153.20 km) |
| Opava to Bailen | 1,344.67 mi (2,164.04 km) |
| Opava to Balaguer | 993.16 mi (1,598.33 km) |
| Opava to Banolas | 902.30 mi (1,452.11 km) |
| Opava to Baranain | 1,050.97 mi (1,691.37 km) |
| Opava to Barbadanes | 1,335.46 mi (2,149.22 km) |
| Opava to Barbastro | 1,009.26 mi (1,624.25 km) |
| Opava to Barcelona | 959.14 mi (1,543.59 km) |
| Opava to Bargas | 1,268.17 mi (2,040.93 km) |
