| Opelousas to Cockermouth | 4,478.62 mi (7,207.64 km) |
| Opelousas to Colchester | 4,709.58 mi (7,579.34 km) |
| Opelousas to Coleford | 4,571.70 mi (7,357.43 km) |
| Opelousas to Colne | 4,541.70 mi (7,309.15 km) |
| Opelousas to Colwyn Bay | 4,494.96 mi (7,233.95 km) |
| Opelousas to Congleton | 4,555.88 mi (7,331.98 km) |
| Opelousas to Conisbrough | 4,586.99 mi (7,382.04 km) |
| Opelousas to Connahs Quay | 4,521.75 mi (7,277.05 km) |
| Opelousas to Consett | 4,532.45 mi (7,294.28 km) |
| Opelousas to Conwy | 4,490.08 mi (7,226.08 km) |
| Opelousas to Cookstown | 4,349.36 mi (6,999.63 km) |
| Opelousas to Corby | 4,631.29 mi (7,453.35 km) |
| Opelousas to Corfe Mullen | 4,620.22 mi (7,435.52 km) |
| Opelousas to Corsham | 4,597.49 mi (7,398.94 km) |
| Opelousas to Coseley | 4,575.30 mi (7,363.23 km) |
