| Zachary to Commerce (California) | 1,587.71 mi (2,555.17 km) |
| Zachary to Commerce City (Colorado) | 997.73 mi (1,605.69 km) |
| Zachary to Compton (California) | 1,591.95 mi (2,562.00 km) |
| Zachary to Comstock Park (Michigan) | 906.97 mi (1,459.63 km) |
| Zachary to Concord (California) | 1,821.42 mi (2,931.29 km) |
| Zachary to Concord (Missouri) | 544.13 mi (875.69 km) |
| Zachary to Concord (New Hampshire) | 1,381.58 mi (2,223.44 km) |
| Zachary to Concord (North Carolina) | 691.23 mi (1,112.42 km) |
| Zachary to Conneaut (Ohio) | 974.90 mi (1,568.94 km) |
| Zachary to Connersville (Indiana) | 708.00 mi (1,139.41 km) |
| Zachary to Conroe (Texas) | 258.20 mi (415.53 km) |
| Zachary to Converse (Texas) | 434.47 mi (699.21 km) |
| Zachary to Conway (Arkansas) | 314.04 mi (505.40 km) |
| Zachary to Conway (Florida) | 609.22 mi (980.44 km) |
| Zachary to Conway (South Carolina) | 740.88 mi (1,192.34 km) |
