| Zachary to Cadillac (Michigan) | 989.48 mi (1,592.41 km) |
| Zachary to Caguas (Puerto Rico) | 1,792.28 mi (2,884.40 km) |
| Zachary to Cahokia (Illinois) | 548.74 mi (883.10 km) |
| Zachary to Calabasas (California) | 1,617.44 mi (2,603.03 km) |
| Zachary to Caldwell (Idaho) | 1,655.48 mi (2,664.24 km) |
| Zachary to Caledonia (Wisconsin) | 857.74 mi (1,380.39 km) |
| Zachary to Calera (Alabama) | 309.95 mi (498.81 km) |
| Zachary to Calexico (California) | 1,434.35 mi (2,308.36 km) |
| Zachary to Calhoun (Georgia) | 448.45 mi (721.72 km) |
| Zachary to California (Maryland) | 986.08 mi (1,586.94 km) |
| Zachary to California City (California) | 1,575.03 mi (2,534.77 km) |
| Zachary to Callaway (Florida) | 336.08 mi (540.87 km) |
| Zachary to Calumet City (Illinois) | 782.70 mi (1,259.64 km) |
| Zachary to Calverton (Maryland) | 990.87 mi (1,594.65 km) |
| Zachary to Camano (Washington) | 2,040.33 mi (3,283.60 km) |
