| Idanha-a-Nova to Cabestany | 561.24 mi (903.23 km) |
| Idanha-a-Nova to Cabries | 694.08 mi (1,117.01 km) |
| Idanha-a-Nova to Cachan | 772.89 mi (1,243.85 km) |
| Idanha-a-Nova to Caen | 723.06 mi (1,163.65 km) |
| Idanha-a-Nova to Cagnes-sur-Mer | 783.60 mi (1,261.09 km) |
| Idanha-a-Nova to Cahors | 542.86 mi (873.64 km) |
| Idanha-a-Nova to Calais | 878.93 mi (1,414.50 km) |
| Idanha-a-Nova to Caluire-et-Cuire | 733.18 mi (1,179.93 km) |
| Idanha-a-Nova to Cambrai | 872.09 mi (1,403.50 km) |
| Idanha-a-Nova to Canet-en-Roussillon | 564.87 mi (909.06 km) |
| Idanha-a-Nova to Cannes | 775.09 mi (1,247.38 km) |
| Idanha-a-Nova to Canteleu | 772.89 mi (1,243.84 km) |
| Idanha-a-Nova to Capbreton | 394.27 mi (634.51 km) |
| Idanha-a-Nova to Carcassonne | 544.75 mi (876.68 km) |
| Idanha-a-Nova to Carmaux | 560.00 mi (901.24 km) |
