| South Sioux City to Argostoli | 5,602.88 mi (9,016.97 km) |
| South Sioux City to Argyroupoli | 5,733.34 mi (9,226.92 km) |
| South Sioux City to Arta | 5,569.64 mi (8,963.47 km) |
| South Sioux City to Artemida | 5,738.55 mi (9,235.30 km) |
| South Sioux City to Aspropyrgos | 5,718.68 mi (9,203.33 km) |
| South Sioux City to Athens | 5,728.12 mi (9,218.51 km) |
| South Sioux City to Chaidari | 5,723.66 mi (9,211.35 km) |
| South Sioux City to Chalandri | 5,728.91 mi (9,219.79 km) |
| South Sioux City to Chalkida | 5,698.18 mi (9,170.33 km) |
| South Sioux City to Chania | 5,869.26 mi (9,445.65 km) |
| South Sioux City to Chios | 5,790.38 mi (9,318.71 km) |
| South Sioux City to Cholargos | 5,729.80 mi (9,221.22 km) |
| South Sioux City to Chrysoupoli | 5,602.30 mi (9,016.04 km) |
| South Sioux City to Dafni | 5,730.11 mi (9,221.72 km) |
| South Sioux City to Diavata | 5,555.67 mi (8,940.98 km) |