| Hilo to Commerce (California) | 2,464.94 mi (3,966.94 km) |
| Hilo to Commerce City (Colorado) | 3,268.28 mi (5,259.79 km) |
| Hilo to Compton (California) | 2,459.02 mi (3,957.40 km) |
| Hilo to Comstock Park (Michigan) | 4,272.60 mi (6,876.08 km) |
| Hilo to Concord (California) | 2,348.21 mi (3,779.09 km) |
| Hilo to Concord (Missouri) | 4,033.61 mi (6,491.47 km) |
| Hilo to Concord (New Hampshire) | 4,978.55 mi (8,012.20 km) |
| Hilo to Concord (North Carolina) | 4,585.42 mi (7,379.52 km) |
| Hilo to Conneaut (Ohio) | 4,536.86 mi (7,301.38 km) |
| Hilo to Connersville (Indiana) | 4,310.15 mi (6,936.52 km) |
| Hilo to Conroe (Texas) | 3,762.61 mi (6,055.33 km) |
| Hilo to Converse (Texas) | 3,596.76 mi (5,788.42 km) |
| Hilo to Conway (Arkansas) | 3,922.40 mi (6,312.50 km) |
| Hilo to Conway (Florida) | 4,622.83 mi (7,439.73 km) |
| Hilo to Conway (South Carolina) | 4,691.40 mi (7,550.07 km) |
