| Opelika to Cullman (Alabama) | 134.54 mi (216.52 km) |
| Opelika to Culpeper (Virginia) | 576.67 mi (928.06 km) |
| Opelika to Culver City (California) | 1,900.15 mi (3,058.00 km) |
| Opelika to Cumberland (Maryland) | 607.54 mi (977.74 km) |
| Opelika to Cupertino (California) | 2,087.26 mi (3,359.12 km) |
| Opelika to Cutler Bay (Florida) | 576.17 mi (927.25 km) |
| Opelika to Cutlerville (Michigan) | 703.49 mi (1,132.16 km) |
| Opelika to Cuyahoga Falls (Ohio) | 624.74 mi (1,005.42 km) |
| Opelika to Cypress (California) | 1,881.26 mi (3,027.60 km) |
| Opelika to Cypress Gardens (Florida) | 389.82 mi (627.35 km) |
| Opelika to Cypress Lake (Florida) | 471.66 mi (759.07 km) |
| Opelika to D'Iberville (Mississippi) | 256.77 mi (413.23 km) |
| Opelika to Dakota Ridge (Colorado) | 1,199.32 mi (1,930.12 km) |
| Opelika to Dale City (Virginia) | 611.37 mi (983.90 km) |
| Opelika to Dallas (Georgia) | 91.99 mi (148.05 km) |
