| Wheat Ridge to Solofra | 5,710.46 mi (9,190.09 km) |
| Wheat Ridge to Somma Lombardo | 5,254.76 mi (8,456.73 km) |
| Wheat Ridge to Somma Vesuviana | 5,693.92 mi (9,163.48 km) |
| Wheat Ridge to Sommacampagna | 5,342.96 mi (8,598.67 km) |
| Wheat Ridge to Sona | 5,340.77 mi (8,595.13 km) |
| Wheat Ridge to Sondrio | 5,272.01 mi (8,484.48 km) |
| Wheat Ridge to Sora | 5,622.18 mi (9,048.03 km) |
| Wheat Ridge to Sorbolo | 5,356.05 mi (8,619.73 km) |
| Wheat Ridge to Soresina | 5,314.14 mi (8,552.29 km) |
| Wheat Ridge to Sorisole | 5,285.45 mi (8,506.11 km) |
| Wheat Ridge to Sorrento | 5,704.17 mi (9,179.97 km) |
| Wheat Ridge to Sorso | 5,484.49 mi (8,826.43 km) |
| Wheat Ridge to Sortino | 5,905.34 mi (9,503.73 km) |
| Wheat Ridge to Soverato Marina | 5,881.48 mi (9,465.33 km) |
| Wheat Ridge to Sovicille | 5,460.04 mi (8,787.09 km) |
