| Hilliard to Cordele (Georgia) | 559.25 mi (900.02 km) |
| Hilliard to Corinth (Mississippi) | 457.86 mi (736.85 km) |
| Hilliard to Corinth (Texas) | 905.17 mi (1,456.73 km) |
| Hilliard to Cornelius (North Carolina) | 338.87 mi (545.36 km) |
| Hilliard to Cornelius (Oregon) | 2,036.65 mi (3,277.66 km) |
| Hilliard to Corning (New York) | 349.52 mi (562.50 km) |
| Hilliard to Corona (California) | 1,934.46 mi (3,113.21 km) |
| Hilliard to Coronado (California) | 1,946.56 mi (3,132.69 km) |
| Hilliard to Corpus Christi (Texas) | 1,175.39 mi (1,891.60 km) |
| Hilliard to Corsicana (Texas) | 922.70 mi (1,484.94 km) |
| Hilliard to Cortland (New York) | 403.04 mi (648.64 km) |
| Hilliard to Corvallis (Oregon) | 2,052.93 mi (3,303.87 km) |
| Hilliard to Coshocton (Ohio) | 70.92 mi (114.14 km) |
| Hilliard to Costa Mesa (California) | 1,958.15 mi (3,151.34 km) |
| Hilliard to Coto de Caza (California) | 1,942.77 mi (3,126.58 km) |
