| Helston to Solofra | 1,160.60 mi (1,867.80 km) |
| Helston to Somma Lombardo | 714.08 mi (1,149.20 km) |
| Helston to Somma Vesuviana | 1,142.40 mi (1,838.51 km) |
| Helston to Sommacampagna | 814.11 mi (1,310.18 km) |
| Helston to Sona | 812.28 mi (1,307.24 km) |
| Helston to Sondrio | 747.43 mi (1,202.87 km) |
| Helston to Sora | 1,072.34 mi (1,725.77 km) |
| Helston to Sorbolo | 816.77 mi (1,314.46 km) |
| Helston to Soresina | 776.28 mi (1,249.30 km) |
| Helston to Sorisole | 752.33 mi (1,210.76 km) |
| Helston to Sorrento | 1,150.96 mi (1,852.28 km) |
| Helston to Sorso | 926.49 mi (1,491.04 km) |
| Helston to Sortino | 1,344.58 mi (2,163.89 km) |
| Helston to Soverato Marina | 1,327.03 mi (2,135.65 km) |
| Helston to Sovicille | 910.04 mi (1,464.56 km) |
