| Idanha-a-Nova to Sulakyurt | 2,146.74 mi (3,454.84 km) |
| Idanha-a-Nova to Sultanbeyli | 1,906.40 mi (3,068.06 km) |
| Idanha-a-Nova to Sultandagi | 2,045.13 mi (3,291.32 km) |
| Idanha-a-Nova to Sultanhani | 2,171.10 mi (3,494.05 km) |
| Idanha-a-Nova to Sultanhisar | 1,895.62 mi (3,050.71 km) |
| Idanha-a-Nova to Suluova | 2,235.28 mi (3,597.34 km) |
| Idanha-a-Nova to Sumbas | 2,317.05 mi (3,728.94 km) |
| Idanha-a-Nova to Sungurlu | 2,180.59 mi (3,509.31 km) |
| Idanha-a-Nova to Surmene | 2,460.61 mi (3,959.97 km) |
| Idanha-a-Nova to Suruc | 2,452.24 mi (3,946.50 km) |
| Idanha-a-Nova to Susehri | 2,370.96 mi (3,815.69 km) |
| Idanha-a-Nova to Susurluk | 1,863.12 mi (2,998.40 km) |
| Idanha-a-Nova to Susuz | 2,615.59 mi (4,209.38 km) |
| Idanha-a-Nova to Sutculer | 2,051.56 mi (3,301.67 km) |
| Idanha-a-Nova to Talas | 2,267.85 mi (3,649.75 km) |
