| Idanha-a-Nova to Caltagirone | 1,186.06 mi (1,908.78 km) |
| Idanha-a-Nova to Caltanissetta | 1,157.61 mi (1,863.00 km) |
| Idanha-a-Nova to Calvisano | 966.63 mi (1,555.64 km) |
| Idanha-a-Nova to Calvizzano | 1,125.97 mi (1,812.08 km) |
| Idanha-a-Nova to Camaiore | 940.98 mi (1,514.35 km) |
| Idanha-a-Nova to Cameri | 891.83 mi (1,435.26 km) |
| Idanha-a-Nova to Camisano Vicentino | 1,033.73 mi (1,663.62 km) |
| Idanha-a-Nova to Campagna | 1,174.98 mi (1,890.95 km) |
| Idanha-a-Nova to Campagnano di Roma | 1,031.59 mi (1,660.18 km) |
| Idanha-a-Nova to Campi Bisenzio | 980.36 mi (1,577.73 km) |
| Idanha-a-Nova to Campi Salentina | 1,329.21 mi (2,139.16 km) |
| Idanha-a-Nova to Campiglia Marittima | 947.12 mi (1,524.25 km) |
| Idanha-a-Nova to Campobasso | 1,148.99 mi (1,849.13 km) |
| Idanha-a-Nova to Campobello di Licata | 1,154.28 mi (1,857.63 km) |
| Idanha-a-Nova to Campobello di Mazara | 1,085.58 mi (1,747.07 km) |
