| Opelousas to Conyers (Georgia) | 520.37 mi (837.45 km) |
| Opelousas to Cookeville (Tennessee) | 542.67 mi (873.34 km) |
| Opelousas to Coolidge (Arizona) | 1,153.02 mi (1,855.61 km) |
| Opelousas to Coon Rapids (Minnesota) | 1,014.42 mi (1,632.55 km) |
| Opelousas to Cooper City (Florida) | 780.97 mi (1,256.85 km) |
| Opelousas to Coos Bay (Oregon) | 1,968.25 mi (3,167.59 km) |
| Opelousas to Copiague (New York) | 1,258.26 mi (2,024.97 km) |
| Opelousas to Coppell (Texas) | 333.97 mi (537.48 km) |
| Opelousas to Copperas Cove (Texas) | 348.45 mi (560.77 km) |
| Opelousas to Coral Gables (Florida) | 792.46 mi (1,275.34 km) |
| Opelousas to Coral Springs (Florida) | 775.82 mi (1,248.57 km) |
| Opelousas to Coral Terrace (Florida) | 789.26 mi (1,270.18 km) |
| Opelousas to Coralville (Iowa) | 772.51 mi (1,243.23 km) |
| Opelousas to Coram (New York) | 1,282.92 mi (2,064.67 km) |
| Opelousas to Corcoran (California) | 1,626.73 mi (2,617.97 km) |
