| Fort Oglethorpe to Carmona | 4,300.96 mi (6,921.72 km) |
| Fort Oglethorpe to Cartagena | 4,527.38 mi (7,286.11 km) |
| Fort Oglethorpe to Cartama | 4,372.98 mi (7,037.63 km) |
| Fort Oglethorpe to Cartaya | 4,230.07 mi (6,807.64 km) |
| Fort Oglethorpe to Caspe | 4,463.71 mi (7,183.64 km) |
| Fort Oglethorpe to Cassa de la Selva | 4,579.18 mi (7,369.48 km) |
| Fort Oglethorpe to Castalla | 4,512.15 mi (7,261.61 km) |
| Fort Oglethorpe to Castellbisbal | 4,550.58 mi (7,323.45 km) |
| Fort Oglethorpe to Castelldefels | 4,556.33 mi (7,332.70 km) |
| Fort Oglethorpe to Castello de Ampurias | 4,577.03 mi (7,366.01 km) |
| Fort Oglethorpe to Castellon de la Plana | 4,500.94 mi (7,243.57 km) |
| Fort Oglethorpe to Castilleja de la Cuesta | 4,282.48 mi (6,891.99 km) |
| Fort Oglethorpe to Catarroja | 4,500.64 mi (7,243.08 km) |
| Fort Oglethorpe to Catral | 4,518.93 mi (7,272.52 km) |
| Fort Oglethorpe to Caudete | 4,493.50 mi (7,231.60 km) |
