| Sioux City to Boekel | 4,442.30 mi (7,149.20 km) |
| Sioux City to Bolsward | 4,377.47 mi (7,044.86 km) |
| Sioux City to Borger | 4,425.40 mi (7,121.99 km) |
| Sioux City to Borne | 4,449.99 mi (7,161.57 km) |
| Sioux City to Boskoop | 4,388.23 mi (7,062.17 km) |
| Sioux City to Boxmeer | 4,449.94 mi (7,161.49 km) |
| Sioux City to Boxtel | 4,431.53 mi (7,131.85 km) |
| Sioux City to Breda | 4,412.05 mi (7,100.51 km) |
| Sioux City to Breukelen | 4,396.00 mi (7,074.68 km) |
| Sioux City to Brielle | 4,378.34 mi (7,046.25 km) |
| Sioux City to Bronkhorst | 4,439.88 mi (7,145.30 km) |
| Sioux City to Brummen | 4,438.75 mi (7,143.48 km) |
| Sioux City to Brunssum | 4,479.72 mi (7,209.41 km) |
| Sioux City to Bunnik | 4,408.90 mi (7,095.44 km) |
| Sioux City to Burgum | 4,387.61 mi (7,061.18 km) |
