| Wheat Ridge to Sesena | 5,029.36 mi (8,093.98 km) |
| Wheat Ridge to Sestao | 4,922.09 mi (7,921.34 km) |
| Wheat Ridge to Sevilla | 5,052.65 mi (8,131.45 km) |
| Wheat Ridge to Sevilla La Nueva | 5,005.26 mi (8,055.18 km) |
| Wheat Ridge to Silla | 5,197.57 mi (8,364.67 km) |
| Wheat Ridge to Silleda | 4,733.79 mi (7,618.31 km) |
| Wheat Ridge to Sitges | 5,203.43 mi (8,374.11 km) |
| Wheat Ridge to Socuellamos | 5,101.76 mi (8,210.49 km) |
| Wheat Ridge to Soller | 5,305.37 mi (8,538.17 km) |
| Wheat Ridge to Solsona | 5,158.13 mi (8,301.21 km) |
| Wheat Ridge to Son Servera | 5,338.35 mi (8,591.24 km) |
| Wheat Ridge to Sonseca | 5,035.97 mi (8,104.61 km) |
| Wheat Ridge to Sopelana | 4,920.18 mi (7,918.26 km) |
| Wheat Ridge to Soria | 5,009.17 mi (8,061.48 km) |
| Wheat Ridge to Suances | 4,875.18 mi (7,845.84 km) |
