| Idanha-a-Nova to Benavente | 106.28 mi (171.05 km) |
| Idanha-a-Nova to Bombarral | 111.71 mi (179.78 km) |
| Idanha-a-Nova to Bougado | 120.26 mi (193.54 km) |
| Idanha-a-Nova to Braga | 128.84 mi (207.34 km) |
| Idanha-a-Nova to Braganca | 132.92 mi (213.91 km) |
| Idanha-a-Nova to Cabeceiras de Basto | 118.99 mi (191.49 km) |
| Idanha-a-Nova to Cacem | 136.24 mi (219.26 km) |
| Idanha-a-Nova to Cadaval | 110.05 mi (177.12 km) |
| Idanha-a-Nova to Caldas da Rainha | 107.14 mi (172.42 km) |
| Idanha-a-Nova to Calheta | 742.47 mi (1,194.89 km) |
| Idanha-a-Nova to Camara de Lobos | 736.26 mi (1,184.90 km) |
| Idanha-a-Nova to Canico | 733.75 mi (1,180.85 km) |
| Idanha-a-Nova to Cantanhede | 77.77 mi (125.16 km) |
| Idanha-a-Nova to Carregal do Sal | 53.97 mi (86.85 km) |
| Idanha-a-Nova to Cartaxo | 98.12 mi (157.91 km) |
