| Opelika to Candler-McAfee (Georgia) | 97.46 mi (156.85 km) |
| Opelika to Caño Martin Peña (Puerto Rico) | 1,550.15 mi (2,494.73 km) |
| Opelika to Cañon City (Colorado) | 1,181.92 mi (1,902.12 km) |
| Opelika to Canóvanas (Puerto Rico) | 1,560.23 mi (2,510.95 km) |
| Opelika to Canton (Georgia) | 120.90 mi (194.56 km) |
| Opelika to Canton (Illinois) | 603.91 mi (971.89 km) |
| Opelika to Canton (Mississippi) | 270.87 mi (435.92 km) |
| Opelika to Canton (Ohio) | 604.88 mi (973.47 km) |
| Opelika to Canyon (Texas) | 961.87 mi (1,547.98 km) |
| Opelika to Canyon Lake (California) | 1,838.01 mi (2,957.99 km) |
| Opelika to Canyon Lake (Texas) | 784.28 mi (1,262.18 km) |
| Opelika to Cape Coral (Florida) | 462.57 mi (744.43 km) |
| Opelika to Cape Girardeau (Missouri) | 398.99 mi (642.11 km) |
| Opelika to Carbondale (Illinois) | 411.55 mi (662.32 km) |
| Opelika to Carlisle (Pennsylvania) | 690.55 mi (1,111.34 km) |
