| Effingham to Cabestany | 4,533.57 mi (7,296.08 km) |
| Effingham to Cabries | 4,609.86 mi (7,418.85 km) |
| Effingham to Cachan | 4,295.73 mi (6,913.31 km) |
| Effingham to Caen | 4,174.87 mi (6,718.80 km) |
| Effingham to Cagnes-sur-Mer | 4,675.75 mi (7,524.89 km) |
| Effingham to Cahors | 4,406.37 mi (7,091.36 km) |
| Effingham to Calais | 4,207.00 mi (6,770.51 km) |
| Effingham to Caluire-et-Cuire | 4,501.45 mi (7,244.39 km) |
| Effingham to Cambrai | 4,285.46 mi (6,896.79 km) |
| Effingham to Canet-en-Roussillon | 4,535.45 mi (7,299.10 km) |
| Effingham to Cannes | 4,674.37 mi (7,522.67 km) |
| Effingham to Canteleu | 4,222.58 mi (6,795.58 km) |
| Effingham to Capbreton | 4,309.74 mi (6,935.85 km) |
| Effingham to Carcassonne | 4,488.93 mi (7,224.23 km) |
| Effingham to Carmaux | 4,450.92 mi (7,163.07 km) |
