| Opelika to Cloverleaf (Texas) | 611.56 mi (984.21 km) |
| Opelika to Cloverly (Maryland) | 646.15 mi (1,039.88 km) |
| Opelika to Clovis (California) | 1,958.25 mi (3,151.49 km) |
| Opelika to Clovis (New Mexico) | 1,031.82 mi (1,660.56 km) |
| Opelika to Clute (Texas) | 644.96 mi (1,037.96 km) |
| Opelika to Coachella (California) | 1,774.07 mi (2,855.09 km) |
| Opelika to Coalinga (California) | 1,996.00 mi (3,212.25 km) |
| Opelika to Coamo (Puerto Rico) | 1,552.17 mi (2,497.98 km) |
| Opelika to Coatesville (Pennsylvania) | 733.38 mi (1,180.26 km) |
| Opelika to Cockeysville (Maryland) | 678.05 mi (1,091.22 km) |
| Opelika to Cocoa (Florida) | 403.24 mi (648.95 km) |
| Opelika to Cocoa Beach (Florida) | 411.47 mi (662.20 km) |
| Opelika to Coconut Creek (Florida) | 540.12 mi (869.23 km) |
| Opelika to Coeur d'Alene (Idaho) | 1,936.91 mi (3,117.15 km) |
| Opelika to Cohoes (New York) | 944.16 mi (1,519.47 km) |
