| Sioux City to Celbridge | 3,945.86 mi (6,350.25 km) |
| Sioux City to Clondalkin | 3,951.67 mi (6,359.59 km) |
| Sioux City to Clonmel | 3,935.31 mi (6,333.27 km) |
| Sioux City to Cobh | 3,930.00 mi (6,324.72 km) |
| Sioux City to Cork | 3,921.98 mi (6,311.81 km) |
| Sioux City to Donegal | 3,847.09 mi (6,191.29 km) |
| Sioux City to Douglas | 3,923.94 mi (6,314.97 km) |
| Sioux City to Drogheda | 3,940.14 mi (6,341.04 km) |
| Sioux City to Dublin | 3,955.54 mi (6,365.83 km) |
| Sioux City to Dun Dealgan | 3,928.60 mi (6,322.48 km) |
| Sioux City to Ennis | 3,872.33 mi (6,231.91 km) |
| Sioux City to Enniscorthy | 3,972.71 mi (6,393.46 km) |
| Sioux City to Finglas | 3,953.42 mi (6,362.42 km) |
| Sioux City to Galway | 3,856.35 mi (6,206.20 km) |
| Sioux City to Glanmire | 3,923.97 mi (6,315.01 km) |
