| Opelika to Cibolo (Texas) | 788.22 mi (1,268.52 km) |
| Opelika to Cicero (Illinois) | 647.81 mi (1,042.55 km) |
| Opelika to Cimarron Hills (Colorado) | 1,162.04 mi (1,870.12 km) |
| Opelika to Cincinnati (Ohio) | 450.37 mi (724.80 km) |
| Opelika to Cinco Ranch (Texas) | 645.68 mi (1,039.13 km) |
| Opelika to Circleville (Ohio) | 498.80 mi (802.74 km) |
| Opelika to Citrus (California) | 1,870.43 mi (3,010.16 km) |
| Opelika to Citrus Heights (California) | 2,044.57 mi (3,290.41 km) |
| Opelika to Citrus Park (Florida) | 358.62 mi (577.15 km) |
| Opelika to Claiborne (Louisiana) | 397.07 mi (639.03 km) |
| Opelika to Claremont (California) | 1,860.47 mi (2,994.14 km) |
| Opelika to Claremont (New Hampshire) | 1,023.32 mi (1,646.87 km) |
| Opelika to Claremore (Oklahoma) | 634.62 mi (1,021.32 km) |
| Opelika to Clarksburg (Maryland) | 640.94 mi (1,031.50 km) |
| Opelika to Clarksburg (West Virginia) | 537.71 mi (865.36 km) |
