| Calumet City to Cognac | 4,142.97 mi (6,667.47 km) |
| Calumet City to Cogolin | 4,518.60 mi (7,271.99 km) |
| Calumet City to Colmar | 4,364.20 mi (7,023.51 km) |
| Calumet City to Colombes | 4,135.01 mi (6,654.66 km) |
| Calumet City to Colomiers | 4,287.66 mi (6,900.33 km) |
| Calumet City to Combs-la-Ville | 4,155.95 mi (6,688.36 km) |
| Calumet City to Comines | 4,100.89 mi (6,599.75 km) |
| Calumet City to Compiegne | 4,140.23 mi (6,663.06 km) |
| Calumet City to Concarneau | 3,921.58 mi (6,311.18 km) |
| Calumet City to Conde-sur-l'Escaut | 4,133.79 mi (6,652.69 km) |
| Calumet City to Conflans-Sainte-Honorine | 4,126.35 mi (6,640.73 km) |
| Calumet City to Corbas | 4,358.71 mi (7,014.66 km) |
| Calumet City to Corbeil-Essonnes | 4,154.85 mi (6,686.58 km) |
| Calumet City to Cormeilles-en-Parisis | 4,131.28 mi (6,648.65 km) |
| Calumet City to Cosne sur Loire | 4,215.08 mi (6,783.51 km) |
