| Ottumwa to Coudekerque-Branche | 4,279.44 mi (6,887.09 km) |
| Ottumwa to Coueron | 4,256.90 mi (6,850.82 km) |
| Ottumwa to Coulommiers | 4,386.96 mi (7,060.13 km) |
| Ottumwa to Courbevoic | 4,352.12 mi (7,004.06 km) |
| Ottumwa to Courcouronnes | 4,369.07 mi (7,031.33 km) |
| Ottumwa to Cournon-d'Auvergne | 4,508.90 mi (7,256.37 km) |
| Ottumwa to Courrieres | 4,320.75 mi (6,953.58 km) |
| Ottumwa to Coutras | 4,401.04 mi (7,082.80 km) |
| Ottumwa to Couzeix | 4,425.27 mi (7,121.79 km) |
| Ottumwa to Cran-Gevrier | 4,617.17 mi (7,430.61 km) |
| Ottumwa to Craponne | 4,569.32 mi (7,353.60 km) |
| Ottumwa to Creil | 4,347.56 mi (6,996.72 km) |
| Ottumwa to Crepy-en-Valois | 4,363.82 mi (7,022.89 km) |
| Ottumwa to Crest | 4,621.80 mi (7,438.07 km) |
| Ottumwa to Creteil | 4,364.12 mi (7,023.37 km) |
