| Sioux City to Alesd | 5,207.37 mi (8,380.45 km) |
| Sioux City to Alexandria | 5,461.77 mi (8,789.87 km) |
| Sioux City to Arad | 5,218.02 mi (8,397.60 km) |
| Sioux City to Avrig | 5,339.59 mi (8,593.24 km) |
| Sioux City to Babadag | 5,516.94 mi (8,878.65 km) |
| Sioux City to Bacau | 5,371.03 mi (8,643.84 km) |
| Sioux City to Baia Mare | 5,212.74 mi (8,389.09 km) |
| Sioux City to Baia-Sprie | 5,216.84 mi (8,395.69 km) |
| Sioux City to Baicoi | 5,421.19 mi (8,724.56 km) |
| Sioux City to Bailesti | 5,394.84 mi (8,682.15 km) |
| Sioux City to Bals | 5,402.22 mi (8,694.04 km) |
| Sioux City to Baraolt | 5,358.22 mi (8,623.22 km) |
| Sioux City to Barlad | 5,413.17 mi (8,711.66 km) |
| Sioux City to Beclean | 5,256.42 mi (8,459.39 km) |
| Sioux City to Beius | 5,226.84 mi (8,411.78 km) |
