| Hilo to Cernavoda | 8,008.61 mi (12,888.60 km) |
| Hilo to Chitila | 8,000.73 mi (12,875.92 km) |
| Hilo to Cisnadie | 7,917.76 mi (12,742.41 km) |
| Hilo to Cluj-Napoca | 7,844.45 mi (12,624.42 km) |
| Hilo to Codlea | 7,918.99 mi (12,744.39 km) |
| Hilo to Comanesti | 7,867.47 mi (12,661.48 km) |
| Hilo to Comarnic | 7,949.69 mi (12,793.79 km) |
| Hilo to Constanta | 8,018.57 mi (12,904.64 km) |
| Hilo to Corabia | 8,051.93 mi (12,958.32 km) |
| Hilo to Costesti | 7,990.09 mi (12,858.80 km) |
| Hilo to Covasna | 7,907.89 mi (12,726.52 km) |
| Hilo to Craiova | 8,012.79 mi (12,895.33 km) |
| Hilo to Cristuru Secuiesc | 7,878.01 mi (12,678.44 km) |
| Hilo to Cugir | 7,907.94 mi (12,726.59 km) |
| Hilo to Cumpana | 8,022.54 mi (12,911.04 km) |
