| Fort Oglethorpe to Cadiz | 4,294.19 mi (6,910.82 km) |
| Fort Oglethorpe to Calafell | 4,539.76 mi (7,306.04 km) |
| Fort Oglethorpe to Calahorra | 4,342.47 mi (6,988.53 km) |
| Fort Oglethorpe to Calasparra | 4,473.08 mi (7,198.73 km) |
| Fort Oglethorpe to Calatayud | 4,384.94 mi (7,056.88 km) |
| Fort Oglethorpe to Caldas de Montbuy | 4,554.41 mi (7,329.62 km) |
| Fort Oglethorpe to Caldas de Reyes | 4,019.30 mi (6,468.44 km) |
| Fort Oglethorpe to Calella | 4,577.89 mi (7,367.40 km) |
| Fort Oglethorpe to Callosa de Segura | 4,516.41 mi (7,268.46 km) |
| Fort Oglethorpe to Calpe | 4,545.31 mi (7,314.96 km) |
| Fort Oglethorpe to Calvia | 4,634.46 mi (7,458.44 km) |
| Fort Oglethorpe to Camas | 4,282.79 mi (6,892.49 km) |
| Fort Oglethorpe to Cambados | 4,014.02 mi (6,459.94 km) |
| Fort Oglethorpe to Cambre | 4,017.69 mi (6,465.85 km) |
| Fort Oglethorpe to Cambrils | 4,519.81 mi (7,273.93 km) |
