| Idanha-a-Nova to Ruzomberok | 1,443.04 mi (2,322.34 km) |
| Idanha-a-Nova to Sabinov | 1,521.22 mi (2,448.16 km) |
| Idanha-a-Nova to Sal'a | 1,362.79 mi (2,193.20 km) |
| Idanha-a-Nova to Samorin | 1,335.34 mi (2,149.03 km) |
| Idanha-a-Nova to Senec | 1,342.88 mi (2,161.16 km) |
| Idanha-a-Nova to Senica | 1,350.64 mi (2,173.64 km) |
| Idanha-a-Nova to Sered' | 1,358.88 mi (2,186.91 km) |
| Idanha-a-Nova to Skalica | 1,347.96 mi (2,169.33 km) |
| Idanha-a-Nova to Smizany | 1,494.24 mi (2,404.74 km) |
| Idanha-a-Nova to Snina | 1,566.58 mi (2,521.17 km) |
| Idanha-a-Nova to Spisska Nova Ves | 1,495.72 mi (2,407.14 km) |
| Idanha-a-Nova to Stara L'ubovna | 1,506.93 mi (2,425.18 km) |
| Idanha-a-Nova to Stara Tura | 1,366.94 mi (2,199.88 km) |
| Idanha-a-Nova to Stropkov | 1,547.67 mi (2,490.74 km) |
| Idanha-a-Nova to Stupava | 1,327.73 mi (2,136.78 km) |
