| Opelousas to Cividale del Friuli | 5,396.17 mi (8,684.29 km) |
| Opelousas to Civita Castellana | 5,492.39 mi (8,839.15 km) |
| Opelousas to Civitanova Marche | 5,512.03 mi (8,870.75 km) |
| Opelousas to Civitavecchia | 5,473.00 mi (8,807.94 km) |
| Opelousas to Civitella in Val di Chiana | 5,421.84 mi (8,725.61 km) |
| Opelousas to Clusone | 5,260.36 mi (8,465.73 km) |
| Opelousas to Coccaglio | 5,272.55 mi (8,485.34 km) |
| Opelousas to Codigoro | 5,387.83 mi (8,670.87 km) |
| Opelousas to Codogno | 5,274.90 mi (8,489.14 km) |
| Opelousas to Codroipo | 5,382.68 mi (8,662.58 km) |
| Opelousas to Cogoleto | 5,255.99 mi (8,458.69 km) |
| Opelousas to Colle di Val d'Elsa | 5,397.39 mi (8,686.27 km) |
| Opelousas to Colle Salvetti | 5,362.34 mi (8,629.85 km) |
| Opelousas to Collecchio | 5,310.74 mi (8,546.80 km) |
| Opelousas to Colleferro | 5,539.47 mi (8,914.91 km) |
