| Hilo to Coudekerque-Branche | 7,363.02 mi (11,849.63 km) |
| Hilo to Coueron | 7,526.28 mi (12,112.38 km) |
| Hilo to Coulommiers | 7,516.15 mi (12,096.08 km) |
| Hilo to Courbevoic | 7,496.69 mi (12,064.75 km) |
| Hilo to Courcouronnes | 7,517.24 mi (12,097.84 km) |
| Hilo to Cournon-d'Auvergne | 7,715.22 mi (12,416.45 km) |
| Hilo to Courrieres | 7,408.43 mi (11,922.72 km) |
| Hilo to Coutras | 7,694.78 mi (12,383.55 km) |
| Hilo to Couzeix | 7,669.92 mi (12,343.54 km) |
| Hilo to Cran-Gevrier | 7,753.99 mi (12,478.83 km) |
| Hilo to Craponne | 7,741.72 mi (12,459.09 km) |
| Hilo to Creil | 7,477.61 mi (12,034.06 km) |
| Hilo to Crepy-en-Valois | 7,485.98 mi (12,047.53 km) |
| Hilo to Crest | 7,812.64 mi (12,573.23 km) |
| Hilo to Creteil | 7,507.14 mi (12,081.57 km) |
