| Sieradz to Bonita (California) | 6,027.38 mi (9,700.13 km) |
| Sieradz to Bonita Springs (Florida) | 5,233.86 mi (8,423.08 km) |
| Sieradz to Bonney Lake (Washington) | 5,230.01 mi (8,416.89 km) |
| Sieradz to Boone (Iowa) | 4,813.47 mi (7,746.53 km) |
| Sieradz to Boone (North Carolina) | 4,707.93 mi (7,576.68 km) |
| Sieradz to Borger (Texas) | 5,407.61 mi (8,702.71 km) |
| Sieradz to Bossier City (Louisiana) | 5,333.74 mi (8,583.83 km) |
| Sieradz to Boston (Massachusetts) | 4,011.95 mi (6,456.61 km) |
| Sieradz to Bostonia (California) | 6,015.75 mi (9,681.41 km) |
| Sieradz to Bothell (Washington) | 5,193.10 mi (8,357.49 km) |
| Sieradz to Bothell East (Washington) | 5,190.64 mi (8,353.54 km) |
| Sieradz to Bothell West (Washington) | 5,191.74 mi (8,355.30 km) |
| Sieradz to Boulder (Colorado) | 5,267.05 mi (8,476.49 km) |
| Sieradz to Boulder City (Nevada) | 5,777.46 mi (9,297.93 km) |
| Sieradz to Bound Brook (New Jersey) | 4,224.66 mi (6,798.93 km) |
