| Zachary to Cibolo (Texas) | 427.98 mi (688.77 km) |
| Zachary to Cicero (Illinois) | 795.23 mi (1,279.80 km) |
| Zachary to Cimarron Hills (Colorado) | 952.69 mi (1,533.21 km) |
| Zachary to Cincinnati (Ohio) | 696.18 mi (1,120.40 km) |
| Zachary to Cinco Ranch (Texas) | 281.84 mi (453.58 km) |
| Zachary to Circleville (Ohio) | 772.50 mi (1,243.22 km) |
| Zachary to Citrus (California) | 1,572.82 mi (2,531.22 km) |
| Zachary to Citrus Heights (California) | 1,789.87 mi (2,880.52 km) |
| Zachary to Citrus Park (Florida) | 547.76 mi (881.53 km) |
| Zachary to Claiborne (Louisiana) | 143.06 mi (230.23 km) |
| Zachary to Claremont (California) | 1,562.90 mi (2,515.25 km) |
| Zachary to Claremont (New Hampshire) | 1,354.55 mi (2,179.94 km) |
| Zachary to Claremore (Oklahoma) | 466.81 mi (751.26 km) |
| Zachary to Clarksburg (Maryland) | 982.60 mi (1,581.35 km) |
| Zachary to Clarksburg (West Virginia) | 854.05 mi (1,374.46 km) |
