| Opelika to Cehegin | 4,558.80 mi (7,336.69 km) |
| Opelika to Cervello | 4,648.64 mi (7,481.26 km) |
| Opelika to Cervera | 4,608.56 mi (7,416.76 km) |
| Opelika to Ceuti | 4,585.39 mi (7,379.47 km) |
| Opelika to Cheste | 4,575.33 mi (7,363.28 km) |
| Opelika to Chiclana de la Frontera | 4,383.83 mi (7,055.09 km) |
| Opelika to Chipiona | 4,360.99 mi (7,018.34 km) |
| Opelika to Chiva | 4,573.84 mi (7,360.88 km) |
| Opelika to Churriana de la Vega | 4,491.74 mi (7,228.76 km) |
| Opelika to Ciempozuelos | 4,413.61 mi (7,103.01 km) |
| Opelika to Cieza | 4,573.62 mi (7,360.54 km) |
| Opelika to Cisterniga | 4,325.24 mi (6,960.80 km) |
| Opelika to Ciudad de Melilla | 4,579.54 mi (7,370.05 km) |
| Opelika to Ciudad Real | 4,429.41 mi (7,128.45 km) |
| Opelika to Ciudad-Rodrigo | 4,259.26 mi (6,854.62 km) |
