| Oak Ridge to Cabestany | 4,472.75 mi (7,198.19 km) |
| Oak Ridge to Cabries | 4,558.30 mi (7,335.88 km) |
| Oak Ridge to Cachan | 4,267.03 mi (6,867.12 km) |
| Oak Ridge to Caen | 4,143.61 mi (6,668.50 km) |
| Oak Ridge to Cagnes-sur-Mer | 4,629.24 mi (7,450.05 km) |
| Oak Ridge to Cahors | 4,351.86 mi (7,003.63 km) |
| Oak Ridge to Calais | 4,189.79 mi (6,742.82 km) |
| Oak Ridge to Caluire-et-Cuire | 4,461.17 mi (7,179.56 km) |
| Oak Ridge to Cambrai | 4,266.22 mi (6,865.81 km) |
| Oak Ridge to Canet-en-Roussillon | 4,474.90 mi (7,201.65 km) |
| Oak Ridge to Cannes | 4,626.98 mi (7,446.41 km) |
| Oak Ridge to Canteleu | 4,195.32 mi (6,751.72 km) |
| Oak Ridge to Capbreton | 4,245.03 mi (6,831.71 km) |
| Oak Ridge to Carcassonne | 4,429.64 mi (7,128.82 km) |
| Oak Ridge to Carmaux | 4,395.73 mi (7,074.24 km) |
