| Opelousas to Cortona | 5,438.56 mi (8,752.52 km) |
| Opelousas to Cosenza | 5,773.88 mi (9,292.16 km) |
| Opelousas to Cossato | 5,196.02 mi (8,362.19 km) |
| Opelousas to Costa Volpino | 5,268.40 mi (8,478.67 km) |
| Opelousas to Creazzo | 5,336.43 mi (8,588.15 km) |
| Opelousas to Crema | 5,266.90 mi (8,476.25 km) |
| Opelousas to Cremona | 5,289.69 mi (8,512.94 km) |
| Opelousas to Crevalcore | 5,351.38 mi (8,612.21 km) |
| Opelousas to Crispiano | 5,765.28 mi (9,278.33 km) |
| Opelousas to Crosia | 5,786.02 mi (9,311.70 km) |
| Opelousas to Crotone | 5,820.51 mi (9,367.21 km) |
| Opelousas to Cuneo | 5,208.84 mi (8,382.82 km) |
| Opelousas to Cuorgne | 5,179.90 mi (8,336.24 km) |
| Opelousas to Cusano Milanino | 5,239.57 mi (8,432.28 km) |
| Opelousas to Cutro | 5,816.63 mi (9,360.96 km) |
