| Zachary to Cloverleaf (Texas) | 246.86 mi (397.28 km) |
| Zachary to Cloverly (Maryland) | 990.31 mi (1,593.75 km) |
| Zachary to Clovis (California) | 1,686.00 mi (2,713.35 km) |
| Zachary to Clovis (New Mexico) | 746.88 mi (1,201.99 km) |
| Zachary to Clute (Texas) | 277.83 mi (447.13 km) |
| Zachary to Coachella (California) | 1,472.05 mi (2,369.04 km) |
| Zachary to Coalinga (California) | 1,717.15 mi (2,763.48 km) |
| Zachary to Coamo (Puerto Rico) | 1,780.47 mi (2,865.39 km) |
| Zachary to Coatesville (Pennsylvania) | 1,075.74 mi (1,731.23 km) |
| Zachary to Cockeysville (Maryland) | 1,020.78 mi (1,642.79 km) |
| Zachary to Cocoa (Florida) | 644.33 mi (1,036.94 km) |
| Zachary to Cocoa Beach (Florida) | 653.47 mi (1,051.65 km) |
| Zachary to Coconut Creek (Florida) | 731.92 mi (1,177.91 km) |
| Zachary to Coeur d'Alene (Idaho) | 1,793.26 mi (2,885.97 km) |
| Zachary to Cohoes (New York) | 1,273.85 mi (2,050.06 km) |
