| Opelousas to Cognac | 4,823.60 mi (7,762.84 km) |
| Opelousas to Cogolin | 5,201.37 mi (8,370.80 km) |
| Opelousas to Colmar | 5,080.15 mi (8,175.71 km) |
| Opelousas to Colombes | 4,844.56 mi (7,796.56 km) |
| Opelousas to Colomiers | 4,957.41 mi (7,978.17 km) |
| Opelousas to Combs-la-Ville | 4,864.51 mi (7,828.67 km) |
| Opelousas to Comines | 4,823.75 mi (7,763.07 km) |
| Opelousas to Compiegne | 4,854.22 mi (7,812.11 km) |
| Opelousas to Concarneau | 4,609.84 mi (7,418.82 km) |
| Opelousas to Conde-sur-l'Escaut | 4,855.89 mi (7,814.79 km) |
| Opelousas to Conflans-Sainte-Honorine | 4,836.06 mi (7,782.88 km) |
| Opelousas to Corbas | 5,053.10 mi (8,132.18 km) |
| Opelousas to Corbeil-Essonnes | 4,862.86 mi (7,826.02 km) |
| Opelousas to Cormeilles-en-Parisis | 4,841.04 mi (7,790.90 km) |
| Opelousas to Cosne sur Loire | 4,916.11 mi (7,911.71 km) |
