| South Sioux City to Cognac | 4,465.20 mi (7,186.04 km) |
| South Sioux City to Cogolin | 4,835.55 mi (7,782.07 km) |
| South Sioux City to Colmar | 4,653.63 mi (7,489.30 km) |
| South Sioux City to Colombes | 4,432.87 mi (7,134.01 km) |
| South Sioux City to Colomiers | 4,616.60 mi (7,429.71 km) |
| South Sioux City to Combs-la-Ville | 4,454.50 mi (7,168.83 km) |
| South Sioux City to Comines | 4,386.07 mi (7,058.70 km) |
| South Sioux City to Compiegne | 4,433.82 mi (7,135.55 km) |
| South Sioux City to Concarneau | 4,240.07 mi (6,823.74 km) |
| South Sioux City to Conde-sur-l'Escaut | 4,419.40 mi (7,112.34 km) |
| South Sioux City to Conflans-Sainte-Honorine | 4,424.15 mi (7,119.98 km) |
| South Sioux City to Corbas | 4,667.73 mi (7,511.98 km) |
| South Sioux City to Corbeil-Essonnes | 4,453.91 mi (7,167.87 km) |
| South Sioux City to Cormeilles-en-Parisis | 4,428.96 mi (7,127.73 km) |
| South Sioux City to Cosne sur Loire | 4,519.81 mi (7,273.93 km) |
