| Catonsville to Coudekerque-Branche | 3,750.34 mi (6,035.59 km) |
| Catonsville to Coueron | 3,668.79 mi (5,904.35 km) |
| Catonsville to Coulommiers | 3,834.84 mi (6,171.58 km) |
| Catonsville to Courbevoic | 3,797.73 mi (6,111.85 km) |
| Catonsville to Courcouronnes | 3,812.26 mi (6,135.24 km) |
| Catonsville to Cournon-d'Auvergne | 3,923.96 mi (6,315.01 km) |
| Catonsville to Courrieres | 3,787.00 mi (6,094.59 km) |
| Catonsville to Coutras | 3,795.64 mi (6,108.49 km) |
| Catonsville to Couzeix | 3,833.91 mi (6,170.09 km) |
| Catonsville to Cran-Gevrier | 4,046.01 mi (6,511.43 km) |
| Catonsville to Craponne | 3,990.70 mi (6,422.41 km) |
| Catonsville to Creil | 3,798.15 mi (6,112.53 km) |
| Catonsville to Crepy-en-Valois | 3,815.68 mi (6,140.75 km) |
| Catonsville to Crest | 4,034.09 mi (6,492.24 km) |
| Catonsville to Creteil | 3,809.33 mi (6,130.52 km) |
