| Hilo to Cloverleaf (Texas) | 3,783.56 mi (6,089.05 km) |
| Hilo to Cloverly (Maryland) | 4,746.39 mi (7,638.58 km) |
| Hilo to Clovis (California) | 2,438.31 mi (3,924.09 km) |
| Hilo to Clovis (New Mexico) | 3,313.28 mi (5,332.21 km) |
| Hilo to Clute (Texas) | 3,773.98 mi (6,073.64 km) |
| Hilo to Coachella (California) | 2,572.50 mi (4,140.04 km) |
| Hilo to Coalinga (California) | 2,389.16 mi (3,844.98 km) |
| Hilo to Coamo (Puerto Rico) | 5,724.28 mi (9,212.34 km) |
| Hilo to Coatesville (Pennsylvania) | 4,799.27 mi (7,723.68 km) |
| Hilo to Cockeysville (Maryland) | 4,762.09 mi (7,663.85 km) |
| Hilo to Cocoa (Florida) | 4,657.98 mi (7,496.30 km) |
| Hilo to Cocoa Beach (Florida) | 4,666.99 mi (7,510.80 km) |
| Hilo to Coconut Creek (Florida) | 4,721.99 mi (7,599.31 km) |
| Hilo to Coeur d'Alene (Idaho) | 2,882.02 mi (4,638.16 km) |
| Hilo to Cohoes (New York) | 4,877.01 mi (7,848.79 km) |
