| Opelika to Crawfordsville (Indiana) | 516.97 mi (831.98 km) |
| Opelika to Crest Hill (Illinois) | 633.78 mi (1,019.96 km) |
| Opelika to Crestview (Florida) | 149.89 mi (241.23 km) |
| Opelika to Crestwood (Illinois) | 634.16 mi (1,020.59 km) |
| Opelika to Crestwood (Missouri) | 494.64 mi (796.05 km) |
| Opelika to Creve Coeur (Missouri) | 502.57 mi (808.81 km) |
| Opelika to Crofton (Maryland) | 655.14 mi (1,054.35 km) |
| Opelika to Crossville (Tennessee) | 228.28 mi (367.37 km) |
| Opelika to Crowley (Louisiana) | 445.64 mi (717.18 km) |
| Opelika to Crowley (Texas) | 696.92 mi (1,121.59 km) |
| Opelika to Crown Point (Indiana) | 614.40 mi (988.78 km) |
| Opelika to Crystal (Minnesota) | 955.79 mi (1,538.20 km) |
| Opelika to Crystal Lake (Illinois) | 680.86 mi (1,095.73 km) |
| Opelika to Cudahy (California) | 1,888.32 mi (3,038.95 km) |
| Opelika to Cudahy (Wisconsin) | 723.42 mi (1,164.23 km) |
