| Sioux City to Amelia | 5,087.86 mi (8,188.13 km) |
| Sioux City to Anagni | 5,153.87 mi (8,294.35 km) |
| Sioux City to Ancona | 5,077.37 mi (8,171.24 km) |
| Sioux City to Andria | 5,294.90 mi (8,521.32 km) |
| Sioux City to Angri | 5,254.92 mi (8,456.98 km) |
| Sioux City to Anguillara Sabazia | 5,104.42 mi (8,214.77 km) |
| Sioux City to Anzio | 5,148.20 mi (8,285.22 km) |
| Sioux City to Anzola dell'Emilia | 4,949.27 mi (7,965.07 km) |
| Sioux City to Aosta | 4,752.86 mi (7,648.99 km) |
| Sioux City to Apricena | 5,236.34 mi (8,427.08 km) |
| Sioux City to Aprilia | 5,142.52 mi (8,276.08 km) |
| Sioux City to Aradeo | 5,415.41 mi (8,715.27 km) |
| Sioux City to Aragona | 5,381.18 mi (8,660.18 km) |
| Sioux City to Arco | 4,874.70 mi (7,845.07 km) |
| Sioux City to Arcola | 4,921.49 mi (7,920.38 km) |
