| Sioux City to Cavaillon | 4,749.86 mi (7,644.16 km) |
| Sioux City to Cebazat | 4,589.94 mi (7,386.79 km) |
| Sioux City to Cenon | 4,488.78 mi (7,223.99 km) |
| Sioux City to Cergy | 4,418.95 mi (7,111.62 km) |
| Sioux City to Cernay | 4,656.72 mi (7,494.26 km) |
| Sioux City to Cesson | 4,457.86 mi (7,174.23 km) |
| Sioux City to Cesson-Sevigne | 4,317.64 mi (6,948.58 km) |
| Sioux City to Cestas | 4,487.40 mi (7,221.77 km) |
| Sioux City to Chalette-sur-Loing | 4,485.54 mi (7,218.78 km) |
| Sioux City to Challans | 4,356.61 mi (7,011.29 km) |
| Sioux City to Chalon-sur-Saone | 4,615.85 mi (7,428.49 km) |
| Sioux City to Chalons-en-Champagne | 4,506.16 mi (7,251.96 km) |
| Sioux City to Chamalieres | 4,591.11 mi (7,388.67 km) |
| Sioux City to Chambery | 4,707.63 mi (7,576.19 km) |
| Sioux City to Chambly | 4,420.47 mi (7,114.06 km) |
