| Zachary to Conyers (Georgia) | 467.47 mi (752.33 km) |
| Zachary to Cookeville (Tennessee) | 499.65 mi (804.10 km) |
| Zachary to Coolidge (Arizona) | 1,204.04 mi (1,937.71 km) |
| Zachary to Coon Rapids (Minnesota) | 1,009.32 mi (1,624.35 km) |
| Zachary to Cooper City (Florida) | 733.81 mi (1,180.95 km) |
| Zachary to Coos Bay (Oregon) | 2,007.11 mi (3,230.14 km) |
| Zachary to Copiague (New York) | 1,209.92 mi (1,947.18 km) |
| Zachary to Coppell (Texas) | 377.13 mi (606.93 km) |
| Zachary to Copperas Cove (Texas) | 401.42 mi (646.03 km) |
| Zachary to Coral Gables (Florida) | 746.11 mi (1,200.74 km) |
| Zachary to Coral Springs (Florida) | 728.10 mi (1,171.77 km) |
| Zachary to Coral Terrace (Florida) | 742.84 mi (1,195.48 km) |
| Zachary to Coralville (Iowa) | 762.80 mi (1,227.61 km) |
| Zachary to Coram (New York) | 1,234.66 mi (1,986.99 km) |
| Zachary to Corcoran (California) | 1,674.38 mi (2,694.66 km) |
