| Sinaia to Solofra | 622.89 mi (1,002.45 km) |
| Sinaia to Somma Lombardo | 814.66 mi (1,311.07 km) |
| Sinaia to Somma Vesuviana | 639.50 mi (1,029.17 km) |
| Sinaia to Sommacampagna | 712.55 mi (1,146.75 km) |
| Sinaia to Sona | 713.17 mi (1,147.73 km) |
| Sinaia to Sondrio | 756.79 mi (1,217.93 km) |
| Sinaia to Sora | 647.57 mi (1,042.17 km) |
| Sinaia to Sorbolo | 736.34 mi (1,185.03 km) |
| Sinaia to Soresina | 761.30 mi (1,225.20 km) |
| Sinaia to Sorisole | 768.37 mi (1,236.57 km) |
| Sinaia to Sorrento | 651.52 mi (1,048.52 km) |
| Sinaia to Sorso | 910.45 mi (1,465.23 km) |
| Sinaia to Sortino | 784.92 mi (1,263.21 km) |
| Sinaia to Soverato Marina | 651.66 mi (1,048.74 km) |
| Sinaia to Sovicille | 721.05 mi (1,160.42 km) |
