| Opelousas to Central Point (Oregon) | 1,884.97 mi (3,033.56 km) |
| Opelousas to Centralia (Illinois) | 577.55 mi (929.47 km) |
| Opelousas to Centralia (Washington) | 1,987.84 mi (3,199.13 km) |
| Opelousas to Centreville (Virginia) | 1,008.92 mi (1,623.70 km) |
| Opelousas to Ceres (California) | 1,716.03 mi (2,761.69 km) |
| Opelousas to Cerritos (California) | 1,532.70 mi (2,466.64 km) |
| Opelousas to Chalco (Nebraska) | 770.24 mi (1,239.58 km) |
| Opelousas to Chalmette (Louisiana) | 132.52 mi (213.27 km) |
| Opelousas to Chambersburg (Pennsylvania) | 1,039.43 mi (1,672.80 km) |
| Opelousas to Chamblee (Georgia) | 510.46 mi (821.51 km) |
| Opelousas to Champaign (Illinois) | 696.25 mi (1,120.50 km) |
| Opelousas to Champlin (Minnesota) | 1,014.35 mi (1,632.44 km) |
| Opelousas to Chandler (Arizona) | 1,173.32 mi (1,888.28 km) |
| Opelousas to Chanhassen (Minnesota) | 993.32 mi (1,598.60 km) |
| Opelousas to Channahon (Illinois) | 782.34 mi (1,259.05 km) |
