| Opelousas to Collegno | 5,186.87 mi (8,347.46 km) |
| Opelousas to Cologno al Serio | 5,260.18 mi (8,465.44 km) |
| Opelousas to Cologno Monzese | 5,244.30 mi (8,439.89 km) |
| Opelousas to Colorno | 5,311.41 mi (8,547.89 km) |
| Opelousas to Comacchio | 5,395.41 mi (8,683.08 km) |
| Opelousas to Comiso | 5,791.17 mi (9,319.99 km) |
| Opelousas to Como | 5,226.67 mi (8,411.51 km) |
| Opelousas to Concordia Sagittaria | 5,384.49 mi (8,665.50 km) |
| Opelousas to Concorezzo | 5,244.65 mi (8,440.45 km) |
| Opelousas to Conegliano | 5,357.47 mi (8,622.01 km) |
| Opelousas to Conselice | 5,387.30 mi (8,670.02 km) |
| Opelousas to Conselve | 5,363.05 mi (8,630.99 km) |
| Opelousas to Conversano | 5,745.74 mi (9,246.88 km) |
| Opelousas to Copertino | 5,813.64 mi (9,356.15 km) |
| Opelousas to Copparo | 5,373.57 mi (8,647.93 km) |
