| Hilo to Clemson (South Carolina) | 4,469.97 mi (7,193.72 km) |
| Hilo to Clermont (Florida) | 4,599.15 mi (7,401.62 km) |
| Hilo to Cleveland (Mississippi) | 4,025.91 mi (6,479.08 km) |
| Hilo to Cleveland (Ohio) | 4,482.41 mi (7,213.74 km) |
| Hilo to Cleveland (Tennessee) | 4,350.21 mi (7,000.98 km) |
| Hilo to Cleveland Heights (Ohio) | 4,488.24 mi (7,223.12 km) |
| Hilo to Cliffside Park (New Jersey) | 4,885.00 mi (7,861.65 km) |
| Hilo to Clifton (Colorado) | 3,068.51 mi (4,938.28 km) |
| Hilo to Clifton (New Jersey) | 4,875.79 mi (7,846.82 km) |
| Hilo to Clinton (Iowa) | 4,040.11 mi (6,501.92 km) |
| Hilo to Clinton (Maryland) | 4,755.06 mi (7,652.52 km) |
| Hilo to Clinton (Mississippi) | 4,055.29 mi (6,526.36 km) |
| Hilo to Clinton (Utah) | 2,920.11 mi (4,699.46 km) |
| Hilo to Clive (Iowa) | 3,856.24 mi (6,206.02 km) |
| Hilo to Cloquet (Minnesota) | 3,948.98 mi (6,355.27 km) |
