| Opelousas to Commerce (California) | 1,537.72 mi (2,474.72 km) |
| Opelousas to Commerce City (Colorado) | 965.38 mi (1,553.63 km) |
| Opelousas to Compton (California) | 1,541.85 mi (2,481.36 km) |
| Opelousas to Comstock Park (Michigan) | 933.98 mi (1,503.10 km) |
| Opelousas to Concord (California) | 1,775.83 mi (2,857.92 km) |
| Opelousas to Concord (Missouri) | 560.44 mi (901.94 km) |
| Opelousas to Concord (New Hampshire) | 1,427.55 mi (2,297.42 km) |
| Opelousas to Concord (North Carolina) | 743.18 mi (1,196.03 km) |
| Opelousas to Conneaut (Ohio) | 1,014.10 mi (1,632.04 km) |
| Opelousas to Connersville (Indiana) | 742.49 mi (1,194.92 km) |
| Opelousas to Conroe (Texas) | 203.09 mi (326.83 km) |
| Opelousas to Converse (Texas) | 379.03 mi (609.99 km) |
| Opelousas to Conway (Arkansas) | 315.19 mi (507.24 km) |
| Opelousas to Conway (Florida) | 661.12 mi (1,063.97 km) |
| Opelousas to Conway (South Carolina) | 795.44 mi (1,280.14 km) |
