| Gretna to Chicago Ridge (Illinois) | 824.63 mi (1,327.12 km) |
| Gretna to Chickasha (Oklahoma) | 580.59 mi (934.37 km) |
| Gretna to Chico (California) | 1,913.35 mi (3,079.24 km) |
| Gretna to Chicopee (Massachusetts) | 1,288.36 mi (2,073.41 km) |
| Gretna to Chillicothe (Ohio) | 764.53 mi (1,230.40 km) |
| Gretna to Chillum (Maryland) | 971.02 mi (1,562.71 km) |
| Gretna to Chino (California) | 1,638.12 mi (2,636.29 km) |
| Gretna to Chino Hills (California) | 1,641.47 mi (2,641.68 km) |
| Gretna to Chino Valley (Arizona) | 1,344.55 mi (2,163.85 km) |
| Gretna to Chippewa Falls (Wisconsin) | 1,040.73 mi (1,674.89 km) |
| Gretna to Choctaw (Oklahoma) | 568.98 mi (915.69 km) |
| Gretna to Chowchilla (California) | 1,800.03 mi (2,896.87 km) |
| Gretna to Christiansburg (Virginia) | 746.47 mi (1,201.33 km) |
| Gretna to Chubbuck (Idaho) | 1,528.63 mi (2,460.09 km) |
| Gretna to Chula Vista (California) | 1,599.07 mi (2,573.45 km) |
