| Sioux City to Argentona | 4,744.47 mi (7,635.49 km) |
| Sioux City to Arico el Nuevo | 4,444.82 mi (7,153.25 km) |
| Sioux City to Armilla | 4,677.33 mi (7,527.43 km) |
| Sioux City to Arnedo | 4,532.68 mi (7,294.64 km) |
| Sioux City to Arona | 4,439.55 mi (7,144.77 km) |
| Sioux City to Arrecife | 4,556.71 mi (7,333.31 km) |
| Sioux City to Arrigorriaga | 4,460.26 mi (7,178.09 km) |
| Sioux City to Arroyomolinos | 4,536.51 mi (7,300.80 km) |
| Sioux City to Arteijo | 4,222.00 mi (6,794.65 km) |
| Sioux City to Arucas | 4,495.51 mi (7,234.83 km) |
| Sioux City to Aspe | 4,750.06 mi (7,644.48 km) |
| Sioux City to Astorga | 4,357.60 mi (7,012.89 km) |
| Sioux City to Atarfe | 4,671.07 mi (7,517.37 km) |
| Sioux City to Avila | 4,487.62 mi (7,222.12 km) |
| Sioux City to Aviles | 4,321.69 mi (6,955.09 km) |
