| Opelika to Commerce (California) | 1,886.29 mi (3,035.69 km) |
| Opelika to Commerce City (Colorado) | 1,189.84 mi (1,914.86 km) |
| Opelika to Compton (California) | 1,891.40 mi (3,043.92 km) |
| Opelika to Comstock Park (Michigan) | 717.55 mi (1,154.79 km) |
| Opelika to Concord (California) | 2,083.47 mi (3,353.02 km) |
| Opelika to Concord (Missouri) | 491.46 mi (790.92 km) |
| Opelika to Concord (New Hampshire) | 1,046.18 mi (1,683.67 km) |
| Opelika to Concord (North Carolina) | 330.54 mi (531.96 km) |
| Opelika to Conneaut (Ohio) | 692.33 mi (1,114.20 km) |
| Opelika to Connersville (Indiana) | 483.62 mi (778.32 km) |
| Opelika to Conroe (Texas) | 616.61 mi (992.33 km) |
| Opelika to Converse (Texas) | 794.96 mi (1,279.36 km) |
| Opelika to Conway (Arkansas) | 439.60 mi (707.47 km) |
| Opelika to Conway (Florida) | 375.01 mi (603.53 km) |
| Opelika to Conway (South Carolina) | 374.86 mi (603.28 km) |
