| Hilo to Carlsbad (California) | 2,500.00 mi (4,023.36 km) |
| Hilo to Carlsbad (New Mexico) | 3,244.92 mi (5,222.20 km) |
| Hilo to Carmel (Indiana) | 4,255.76 mi (6,848.98 km) |
| Hilo to Carmichael (California) | 2,399.84 mi (3,862.17 km) |
| Hilo to Carney (Maryland) | 4,768.47 mi (7,674.11 km) |
| Hilo to Carnot-Moon (Pennsylvania) | 4,564.56 mi (7,345.94 km) |
| Hilo to Carol Stream (Illinois) | 4,148.71 mi (6,676.70 km) |
| Hilo to Carolina (Puerto Rico) | 5,741.02 mi (9,239.28 km) |
| Hilo to Carolina Forest (South Carolina) | 4,699.62 mi (7,563.31 km) |
| Hilo to Carpentersville (Illinois) | 4,140.50 mi (6,663.50 km) |
| Hilo to Carpinteria (California) | 2,396.94 mi (3,857.51 km) |
| Hilo to Carrboro (North Carolina) | 4,666.11 mi (7,509.38 km) |
| Hilo to Carroll (Iowa) | 3,803.60 mi (6,121.31 km) |
| Hilo to Carrollton (Georgia) | 4,350.19 mi (7,000.95 km) |
| Hilo to Carrollton (Texas) | 3,672.15 mi (5,909.76 km) |
