| Sioux City to Kocani | 5,473.91 mi (8,809.41 km) |
| Sioux City to Konce | 5,494.81 mi (8,843.04 km) |
| Sioux City to Kratovo | 5,457.48 mi (8,782.97 km) |
| Sioux City to Kriva Palanka | 5,456.36 mi (8,781.17 km) |
| Sioux City to Krivogastani | 5,467.17 mi (8,798.55 km) |
| Sioux City to Krusevo | 5,462.48 mi (8,791.01 km) |
| Sioux City to Kumanovo | 5,439.07 mi (8,753.34 km) |
| Sioux City to Lipkovo | 5,433.56 mi (8,744.47 km) |
| Sioux City to Lozovo | 5,463.62 mi (8,792.84 km) |
| Sioux City to Makedonska Kamenica | 5,474.40 mi (8,810.20 km) |
| Sioux City to Makedonski Brod | 5,453.95 mi (8,777.28 km) |
| Sioux City to Mogila | 5,480.49 mi (8,819.99 km) |
| Sioux City to Negotino | 5,485.43 mi (8,827.95 km) |
| Sioux City to Novaci | 5,486.60 mi (8,829.83 km) |
| Sioux City to Novo Selo | 5,516.02 mi (8,877.18 km) |
