| Opava to Barberton (Ohio) | 4,493.84 mi (7,232.13 km) |
| Opava to Bardstown (Kentucky) | 4,795.27 mi (7,717.25 km) |
| Opava to Barrington (Illinois) | 4,667.42 mi (7,511.49 km) |
| Opava to Barstow (California) | 5,963.17 mi (9,596.79 km) |
| Opava to Bartlesville (Oklahoma) | 5,221.26 mi (8,402.80 km) |
| Opava to Bartlett (Illinois) | 4,678.92 mi (7,529.99 km) |
| Opava to Bartlett (Tennessee) | 5,088.75 mi (8,189.54 km) |
| Opava to Bartow (Florida) | 5,169.48 mi (8,319.47 km) |
| Opava to Batavia (Illinois) | 4,689.30 mi (7,546.70 km) |
| Opava to Batavia (New York) | 4,272.17 mi (6,875.40 km) |
| Opava to Batesville (Arkansas) | 5,124.56 mi (8,247.19 km) |
| Opava to Baton Rouge (Louisiana) | 5,393.79 mi (8,680.46 km) |
| Opava to Battle Creek (Michigan) | 4,559.44 mi (7,337.71 km) |
| Opava to Battle Ground (Washington) | 5,411.72 mi (8,709.33 km) |
| Opava to Bay City (Michigan) | 4,448.09 mi (7,158.51 km) |
