| Hilo to Camarillo (California) | 2,420.15 mi (3,894.85 km) |
| Hilo to Camas (Washington) | 2,578.10 mi (4,149.05 km) |
| Hilo to Cambridge (Maryland) | 4,801.31 mi (7,726.97 km) |
| Hilo to Cambridge (Massachusetts) | 5,011.52 mi (8,065.25 km) |
| Hilo to Camden (Arkansas) | 3,904.94 mi (6,284.39 km) |
| Hilo to Camden (New Jersey) | 4,837.07 mi (7,784.51 km) |
| Hilo to Cameron Park (California) | 2,417.80 mi (3,891.08 km) |
| Hilo to Camp Pendleton South (California) | 2,495.39 mi (4,015.95 km) |
| Hilo to Camp Springs (Maryland) | 4,753.75 mi (7,650.42 km) |
| Hilo to Camp Verde (Arizona) | 2,824.73 mi (4,545.96 km) |
| Hilo to Campbell (California) | 2,332.21 mi (3,753.33 km) |
| Hilo to Campbellsville (Kentucky) | 4,309.95 mi (6,936.19 km) |
| Hilo to Campton Hills (Illinois) | 4,134.00 mi (6,653.04 km) |
| Hilo to Canby (Oregon) | 2,555.05 mi (4,111.96 km) |
| Hilo to Candelaria (Puerto Rico) | 5,726.23 mi (9,215.48 km) |
