| Idanha-a-Nova to Setubal | 130.93 mi (210.71 km) |
| Idanha-a-Nova to Sever do Vouga | 82.14 mi (132.20 km) |
| Idanha-a-Nova to Silves | 199.54 mi (321.13 km) |
| Idanha-a-Nova to Sines | 161.43 mi (259.79 km) |
| Idanha-a-Nova to Sintra | 138.61 mi (223.08 km) |
| Idanha-a-Nova to Sobrado de Paiva | 94.35 mi (151.84 km) |
| Idanha-a-Nova to Sobral de Monte Agraco | 119.70 mi (192.64 km) |
| Idanha-a-Nova to Soure | 74.69 mi (120.20 km) |
| Idanha-a-Nova to Tabua | 52.03 mi (83.73 km) |
| Idanha-a-Nova to Tavira | 194.77 mi (313.45 km) |
| Idanha-a-Nova to Tomar | 66.56 mi (107.11 km) |
| Idanha-a-Nova to Tondela | 61.07 mi (98.28 km) |
| Idanha-a-Nova to Torre de Moncorvo | 88.82 mi (142.95 km) |
| Idanha-a-Nova to Torres Novas | 75.79 mi (121.97 km) |
| Idanha-a-Nova to Torres Vedras | 122.75 mi (197.54 km) |
