| Rianxo to Solofra | 1,222.53 mi (1,967.47 km) |
| Rianxo to Somma Lombardo | 891.12 mi (1,434.11 km) |
| Rianxo to Somma Vesuviana | 1,200.91 mi (1,932.68 km) |
| Rianxo to Sommacampagna | 992.72 mi (1,597.63 km) |
| Rianxo to Sona | 992.08 mi (1,596.59 km) |
| Rianxo to Sondrio | 951.35 mi (1,531.05 km) |
| Rianxo to Sora | 1,146.98 mi (1,845.89 km) |
| Rianxo to Sorbolo | 971.10 mi (1,562.84 km) |
| Rianxo to Soresina | 944.05 mi (1,519.30 km) |
| Rianxo to Sorisole | 937.37 mi (1,508.56 km) |
| Rianxo to Sorrento | 1,201.77 mi (1,934.06 km) |
| Rianxo to Sorso | 904.40 mi (1,455.50 km) |
| Rianxo to Sortino | 1,314.52 mi (2,115.52 km) |
| Rianxo to Soverato Marina | 1,351.98 mi (2,175.80 km) |
| Rianxo to Sovicille | 1,012.22 mi (1,629.01 km) |
