| Opelika to Campo de Criptana | 4,458.07 mi (7,174.57 km) |
| Opelika to Campos del Puerto | 4,756.41 mi (7,654.71 km) |
| Opelika to Canals | 4,594.65 mi (7,394.37 km) |
| Opelika to Candelaria | 4,045.49 mi (6,510.58 km) |
| Opelika to Canet de Mar | 4,672.48 mi (7,519.64 km) |
| Opelika to Cangas | 4,111.71 mi (6,617.16 km) |
| Opelika to Cangas de Narcea | 4,199.82 mi (6,758.96 km) |
| Opelika to Canovellas | 4,657.55 mi (7,495.60 km) |
| Opelika to Canteras | 4,609.92 mi (7,418.95 km) |
| Opelika to Cantillana | 4,369.96 mi (7,032.78 km) |
| Opelika to Capdepera | 4,768.26 mi (7,673.77 km) |
| Opelika to Carballo | 4,096.26 mi (6,592.29 km) |
| Opelika to Carcagente | 4,596.81 mi (7,397.85 km) |
| Opelika to Cardedeu | 4,660.56 mi (7,500.45 km) |
| Opelika to Carlet | 4,590.36 mi (7,387.47 km) |
