| Hilliard to Castle Pines (Colorado) | 1,151.26 mi (1,852.78 km) |
| Hilliard to Castle Rock (Colorado) | 1,151.30 mi (1,852.84 km) |
| Hilliard to Castro Valley (California) | 2,082.33 mi (3,351.18 km) |
| Hilliard to Catalina Foothills (Arizona) | 1,628.17 mi (2,620.29 km) |
| Hilliard to Cataño (Puerto Rico) | 1,803.57 mi (2,902.56 km) |
| Hilliard to Cathedral City (California) | 1,876.95 mi (3,020.66 km) |
| Hilliard to Catonsville (Maryland) | 345.34 mi (555.77 km) |
| Hilliard to Cave Spring (Virginia) | 258.05 mi (415.29 km) |
| Hilliard to Cayce (South Carolina) | 436.59 mi (702.62 km) |
| Hilliard to Cayey (Puerto Rico) | 1,822.15 mi (2,932.47 km) |
| Hilliard to Cedar City (Utah) | 1,611.27 mi (2,593.10 km) |
| Hilliard to Cedar Falls (Iowa) | 511.96 mi (823.92 km) |
| Hilliard to Cedar Hill (Texas) | 923.35 mi (1,485.98 km) |
| Hilliard to Cedar Lake (Indiana) | 242.42 mi (390.14 km) |
| Hilliard to Cedar Mill (Oregon) | 2,024.48 mi (3,258.08 km) |
