| Opava to Bahcesaray | 1,470.94 mi (2,367.25 km) |
| Opava to Balikesir | 862.29 mi (1,387.72 km) |
| Opava to Balya | 847.19 mi (1,363.41 km) |
| Opava to Banaz | 968.10 mi (1,558.01 km) |
| Opava to Bandirma | 822.65 mi (1,323.93 km) |
| Opava to Bartin | 898.84 mi (1,446.54 km) |
| Opava to Baskale | 1,523.92 mi (2,452.52 km) |
| Opava to Baskil | 1,292.02 mi (2,079.30 km) |
| Opava to Basmakci | 1,024.94 mi (1,649.49 km) |
| Opava to Batman | 1,415.08 mi (2,277.36 km) |
| Opava to Battalgazi | 1,281.53 mi (2,062.42 km) |
| Opava to Bayat | 1,018.07 mi (1,638.43 km) |
| Opava to Bayburt | 1,270.30 mi (2,044.35 km) |
| Opava to Bayindir | 941.34 mi (1,514.94 km) |
| Opava to Baykan | 1,428.05 mi (2,298.22 km) |
