| Opelousas to Camarillo (California) | 1,588.53 mi (2,556.49 km) |
| Opelousas to Camas (Washington) | 1,934.21 mi (3,112.80 km) |
| Opelousas to Cambridge (Maryland) | 1,064.00 mi (1,712.33 km) |
| Opelousas to Cambridge (Massachusetts) | 1,417.61 mi (2,281.42 km) |
| Opelousas to Camden (Arkansas) | 214.90 mi (345.85 km) |
| Opelousas to Camden (New Jersey) | 1,154.62 mi (1,858.18 km) |
| Opelousas to Cameron Park (California) | 1,729.09 mi (2,782.70 km) |
| Opelousas to Camp Pendleton South (California) | 1,493.11 mi (2,402.93 km) |
| Opelousas to Camp Springs (Maryland) | 1,032.04 mi (1,660.91 km) |
| Opelousas to Camp Verde (Arizona) | 1,182.97 mi (1,903.81 km) |
| Opelousas to Campbell (California) | 1,767.31 mi (2,844.21 km) |
| Opelousas to Campbellsville (Kentucky) | 608.60 mi (979.44 km) |
| Opelousas to Campton Hills (Illinois) | 815.13 mi (1,311.83 km) |
| Opelousas to Canby (Oregon) | 1,937.26 mi (3,117.72 km) |
| Opelousas to Candelaria (Puerto Rico) | 1,822.98 mi (2,933.80 km) |
