| Hilliard to Conyers (Georgia) | 442.60 mi (712.30 km) |
| Hilliard to Cookeville (Tennessee) | 297.47 mi (478.72 km) |
| Hilliard to Coolidge (Arizona) | 1,642.35 mi (2,643.11 km) |
| Hilliard to Coon Rapids (Minnesota) | 625.86 mi (1,007.23 km) |
| Hilliard to Cooper City (Florida) | 980.59 mi (1,578.11 km) |
| Hilliard to Coos Bay (Oregon) | 2,109.79 mi (3,395.38 km) |
| Hilliard to Copiague (New York) | 515.80 mi (830.10 km) |
| Hilliard to Coppell (Texas) | 908.83 mi (1,462.61 km) |
| Hilliard to Copperas Cove (Texas) | 1,030.69 mi (1,658.74 km) |
| Hilliard to Coral Gables (Florida) | 1,004.12 mi (1,615.97 km) |
| Hilliard to Coral Springs (Florida) | 965.58 mi (1,553.96 km) |
| Hilliard to Coral Terrace (Florida) | 1,000.88 mi (1,610.77 km) |
| Hilliard to Coralville (Iowa) | 455.46 mi (732.99 km) |
| Hilliard to Coram (New York) | 536.58 mi (863.55 km) |
| Hilliard to Corcoran (California) | 1,985.20 mi (3,194.87 km) |
