| Portici to Sulakyurt | 1,017.14 mi (1,636.93 km) |
| Portici to Sultanbeyli | 778.41 mi (1,252.73 km) |
| Portici to Sultandagi | 910.59 mi (1,465.46 km) |
| Portici to Sultanhani | 1,036.55 mi (1,668.16 km) |
| Portici to Sultanhisar | 764.47 mi (1,230.30 km) |
| Portici to Suluova | 1,111.32 mi (1,788.49 km) |
| Portici to Sumbas | 1,182.50 mi (1,903.05 km) |
| Portici to Sungurlu | 1,051.51 mi (1,692.24 km) |
| Portici to Surmene | 1,341.67 mi (2,159.21 km) |
| Portici to Suruc | 1,317.68 mi (2,120.60 km) |
| Portici to Susehri | 1,245.09 mi (2,003.78 km) |
| Portici to Susurluk | 729.41 mi (1,173.87 km) |
| Portici to Susuz | 1,499.18 mi (2,412.70 km) |
| Portici to Sutculer | 919.09 mi (1,479.13 km) |
| Portici to Talas | 1,134.31 mi (1,825.49 km) |
