| Katy to Coudekerque-Branche | 4,978.38 mi (8,011.92 km) |
| Katy to Coueron | 4,919.06 mi (7,916.47 km) |
| Katy to Coulommiers | 5,073.00 mi (8,164.20 km) |
| Katy to Courbevoic | 5,036.63 mi (8,105.67 km) |
| Katy to Courcouronnes | 5,052.16 mi (8,130.66 km) |
| Katy to Cournon-d'Auvergne | 5,174.09 mi (8,326.90 km) |
| Katy to Courrieres | 5,017.27 mi (8,074.52 km) |
| Katy to Coutras | 5,051.19 mi (8,129.11 km) |
| Katy to Couzeix | 5,085.71 mi (8,184.65 km) |
| Katy to Cran-Gevrier | 5,292.03 mi (8,516.69 km) |
| Katy to Craponne | 5,239.03 mi (8,431.41 km) |
| Katy to Creil | 5,035.07 mi (8,103.16 km) |
| Katy to Crepy-en-Valois | 5,052.16 mi (8,130.67 km) |
| Katy to Crest | 5,285.41 mi (8,506.04 km) |
| Katy to Creteil | 5,048.43 mi (8,124.66 km) |
