| Sioux City to Ascoli Piceno | 5,116.46 mi (8,234.15 km) |
| Sioux City to Asola | 4,889.99 mi (7,869.67 km) |
| Sioux City to Asolo | 4,917.05 mi (7,913.23 km) |
| Sioux City to Assemini | 5,110.34 mi (8,224.30 km) |
| Sioux City to Assisi | 5,070.34 mi (8,159.92 km) |
| Sioux City to Asti | 4,823.05 mi (7,761.94 km) |
| Sioux City to Atessa | 5,185.86 mi (8,345.84 km) |
| Sioux City to Atri | 5,143.87 mi (8,278.26 km) |
| Sioux City to Atripalda | 5,255.58 mi (8,458.03 km) |
| Sioux City to Augusta | 5,450.43 mi (8,771.62 km) |
| Sioux City to Aulla | 4,919.37 mi (7,916.97 km) |
| Sioux City to Aurisina | 4,984.99 mi (8,022.57 km) |
| Sioux City to Avellino | 5,254.22 mi (8,455.85 km) |
| Sioux City to Aversa | 5,229.95 mi (8,416.80 km) |
| Sioux City to Avezzano | 5,149.96 mi (8,288.07 km) |
