| Hilo to Carmona | 8,016.06 mi (12,900.60 km) |
| Hilo to Cartagena | 8,135.27 mi (13,092.45 km) |
| Hilo to Cartama | 8,089.53 mi (13,018.84 km) |
| Hilo to Cartaya | 7,981.46 mi (12,844.91 km) |
| Hilo to Caspe | 7,934.05 mi (12,768.62 km) |
| Hilo to Cassa de la Selva | 7,955.04 mi (12,802.40 km) |
| Hilo to Castalla | 8,081.93 mi (13,006.60 km) |
| Hilo to Castellbisbal | 7,962.88 mi (12,815.01 km) |
| Hilo to Castelldefels | 7,975.18 mi (12,834.82 km) |
| Hilo to Castello de Ampurias | 7,935.54 mi (12,771.02 km) |
| Hilo to Castellon de la Plana | 8,011.64 mi (12,893.49 km) |
| Hilo to Castilleja de la Cuesta | 8,008.68 mi (12,888.72 km) |
| Hilo to Catarroja | 8,038.74 mi (12,937.10 km) |
| Hilo to Catral | 8,105.45 mi (13,044.47 km) |
| Hilo to Caudete | 8,067.46 mi (12,983.33 km) |
