| Hilo to Cordele (Georgia) | 4,440.27 mi (7,145.92 km) |
| Hilo to Corinth (Mississippi) | 4,146.35 mi (6,672.91 km) |
| Hilo to Corinth (Texas) | 3,662.26 mi (5,893.84 km) |
| Hilo to Cornelius (North Carolina) | 4,571.04 mi (7,356.37 km) |
| Hilo to Cornelius (Oregon) | 2,549.92 mi (4,103.71 km) |
| Hilo to Corning (New York) | 4,714.36 mi (7,587.03 km) |
| Hilo to Corona (California) | 2,495.43 mi (4,016.01 km) |
| Hilo to Coronado (California) | 2,500.48 mi (4,024.14 km) |
| Hilo to Corpus Christi (Texas) | 3,661.17 mi (5,892.09 km) |
| Hilo to Corsicana (Texas) | 3,698.85 mi (5,952.73 km) |
| Hilo to Cortland (New York) | 4,754.66 mi (7,651.89 km) |
| Hilo to Corvallis (Oregon) | 2,504.64 mi (4,030.83 km) |
| Hilo to Coshocton (Ohio) | 4,480.92 mi (7,211.34 km) |
| Hilo to Costa Mesa (California) | 2,472.83 mi (3,979.64 km) |
| Hilo to Coto de Caza (California) | 2,490.06 mi (4,007.36 km) |
