| Hilo to Cadillac (Michigan) | 4,284.09 mi (6,894.58 km) |
| Hilo to Caguas (Puerto Rico) | 5,741.12 mi (9,239.44 km) |
| Hilo to Cahokia (Illinois) | 4,043.18 mi (6,506.86 km) |
| Hilo to Calabasas (California) | 2,438.69 mi (3,924.70 km) |
| Hilo to Caldwell (Idaho) | 2,762.30 mi (4,445.49 km) |
| Hilo to Caledonia (Wisconsin) | 4,161.56 mi (6,697.39 km) |
| Hilo to Calera (Alabama) | 4,258.37 mi (6,853.18 km) |
| Hilo to Calexico (California) | 2,595.91 mi (4,177.71 km) |
| Hilo to Calhoun (Georgia) | 4,351.42 mi (7,002.94 km) |
| Hilo to California (Maryland) | 4,781.90 mi (7,695.73 km) |
| Hilo to California City (California) | 2,500.70 mi (4,024.49 km) |
| Hilo to Callaway (Florida) | 4,353.22 mi (7,005.83 km) |
| Hilo to Calumet City (Illinois) | 4,178.82 mi (6,725.16 km) |
| Hilo to Calverton (Maryland) | 4,749.58 mi (7,643.72 km) |
| Hilo to Camano (Washington) | 2,677.63 mi (4,309.23 km) |
