| Opelika to Cold Springs (Nevada) | 1,976.74 mi (3,181.26 km) |
| Opelika to Coldwater (Michigan) | 641.89 mi (1,033.02 km) |
| Opelika to Colesville (Maryland) | 644.58 mi (1,037.35 km) |
| Opelika to College (Alaska) | 3,396.46 mi (5,466.07 km) |
| Opelika to College Park (Georgia) | 85.60 mi (137.76 km) |
| Opelika to College Park (Maryland) | 643.86 mi (1,036.20 km) |
| Opelika to College Station (Texas) | 657.89 mi (1,058.77 km) |
| Opelika to Collegedale (Tennessee) | 166.30 mi (267.63 km) |
| Opelika to Colleyville (Texas) | 683.68 mi (1,100.28 km) |
| Opelika to Collierville (Tennessee) | 297.72 mi (479.14 km) |
| Opelika to Collinsville (Illinois) | 490.02 mi (788.61 km) |
| Opelika to Colonia (New Jersey) | 821.31 mi (1,321.77 km) |
| Opelika to Colonial Heights (Virginia) | 552.25 mi (888.75 km) |
| Opelika to Colonial Park (Pennsylvania) | 710.01 mi (1,142.65 km) |
| Opelika to Colorado Springs (Colorado) | 1,165.34 mi (1,875.44 km) |
