| Zachary to Castle Pines (Colorado) | 983.15 mi (1,582.23 km) |
| Zachary to Castle Rock (Colorado) | 979.08 mi (1,575.67 km) |
| Zachary to Castro Valley (California) | 1,822.67 mi (2,933.30 km) |
| Zachary to Catalina Foothills (Arizona) | 1,165.82 mi (1,876.20 km) |
| Zachary to Cataño (Puerto Rico) | 1,778.72 mi (2,862.57 km) |
| Zachary to Cathedral City (California) | 1,490.74 mi (2,399.12 km) |
| Zachary to Catonsville (Maryland) | 1,007.77 mi (1,621.85 km) |
| Zachary to Cave Spring (Virginia) | 782.91 mi (1,259.97 km) |
| Zachary to Cayce (South Carolina) | 632.65 mi (1,018.15 km) |
| Zachary to Cayey (Puerto Rico) | 1,789.95 mi (2,880.64 km) |
| Zachary to Cedar City (Utah) | 1,340.23 mi (2,156.89 km) |
| Zachary to Cedar Falls (Iowa) | 822.21 mi (1,323.21 km) |
| Zachary to Cedar Hill (Texas) | 365.73 mi (588.59 km) |
| Zachary to Cedar Lake (Indiana) | 768.18 mi (1,236.26 km) |
| Zachary to Cedar Mill (Oregon) | 1,984.49 mi (3,193.73 km) |
