| Sioux City to Boppard | 4,566.43 mi (7,348.96 km) |
| Sioux City to Borgentreich | 4,565.04 mi (7,346.73 km) |
| Sioux City to Borgholzhausen | 4,510.35 mi (7,258.71 km) |
| Sioux City to Borken | 4,473.50 mi (7,199.41 km) |
| Sioux City to Borna | 4,692.36 mi (7,551.62 km) |
| Sioux City to Bornheim | 4,523.64 mi (7,280.09 km) |
| Sioux City to Bosel | 4,460.38 mi (7,178.29 km) |
| Sioux City to Bottrop | 4,488.40 mi (7,223.39 km) |
| Sioux City to Bovenden | 4,586.39 mi (7,381.09 km) |
| Sioux City to Brackenheim | 4,667.69 mi (7,511.92 km) |
| Sioux City to Brake | 4,463.82 mi (7,183.82 km) |
| Sioux City to Brakel | 4,556.30 mi (7,332.66 km) |
| Sioux City to Bramsche | 4,487.02 mi (7,221.16 km) |
| Sioux City to Brand | 4,495.02 mi (7,234.04 km) |
| Sioux City to Brand-Erbisdorf | 4,730.48 mi (7,612.98 km) |
