| Sioux City to Ames | 4,231.94 mi (6,810.65 km) |
| Sioux City to Amorebieta | 4,466.03 mi (7,187.39 km) |
| Sioux City to Amposta | 4,706.14 mi (7,573.80 km) |
| Sioux City to Amurrio | 4,461.73 mi (7,180.45 km) |
| Sioux City to Andoain | 4,495.49 mi (7,234.79 km) |
| Sioux City to Andraitx | 4,831.05 mi (7,774.82 km) |
| Sioux City to Andujar | 4,621.38 mi (7,437.39 km) |
| Sioux City to Antequera | 4,641.35 mi (7,469.53 km) |
| Sioux City to Antigua | 4,556.94 mi (7,333.69 km) |
| Sioux City to Aranda de Duero | 4,488.37 mi (7,223.33 km) |
| Sioux City to Aranjuez | 4,558.69 mi (7,336.51 km) |
| Sioux City to Archena | 4,737.18 mi (7,623.75 km) |
| Sioux City to Arcos de la Frontera | 4,597.48 mi (7,398.93 km) |
| Sioux City to Arenys de Mar | 4,749.32 mi (7,643.29 km) |
| Sioux City to Arenys de Munt | 4,747.59 mi (7,640.50 km) |
