| Hilo to Candler-McAfee (Georgia) | 4,395.35 mi (7,073.63 km) |
| Hilo to Caño Martin Peña (Puerto Rico) | 5,736.02 mi (9,231.23 km) |
| Hilo to Cañon City (Colorado) | 3,232.19 mi (5,201.70 km) |
| Hilo to Canóvanas (Puerto Rico) | 5,746.68 mi (9,248.39 km) |
| Hilo to Canton (Georgia) | 4,378.75 mi (7,046.91 km) |
| Hilo to Canton (Illinois) | 4,049.57 mi (6,517.15 km) |
| Hilo to Canton (Mississippi) | 4,071.84 mi (6,553.00 km) |
| Hilo to Canton (Ohio) | 4,502.62 mi (7,246.27 km) |
| Hilo to Canyon (Texas) | 3,387.95 mi (5,452.39 km) |
| Hilo to Canyon Lake (California) | 2,509.65 mi (4,038.89 km) |
| Hilo to Canyon Lake (Texas) | 3,598.39 mi (5,791.06 km) |
| Hilo to Cape Coral (Florida) | 4,607.17 mi (7,414.53 km) |
| Hilo to Cape Girardeau (Missouri) | 4,079.26 mi (6,564.93 km) |
| Hilo to Carbondale (Illinois) | 4,096.63 mi (6,592.89 km) |
| Hilo to Carlisle (Pennsylvania) | 4,724.76 mi (7,603.76 km) |
