| Denver to Sestu | 5,568.38 mi (8,961.44 km) |
| Denver to Settimo Torinese | 5,240.39 mi (8,433.59 km) |
| Denver to Seveso | 5,264.58 mi (8,472.53 km) |
| Denver to Sezze | 5,606.18 mi (9,022.27 km) |
| Denver to Siano | 5,699.13 mi (9,171.86 km) |
| Denver to Siena | 5,454.33 mi (8,777.89 km) |
| Denver to Signa | 5,423.35 mi (8,728.04 km) |
| Denver to Silea | 5,372.61 mi (8,646.38 km) |
| Denver to Silvi Paese | 5,590.13 mi (8,996.45 km) |
| Denver to Sinalunga | 5,473.51 mi (8,808.77 km) |
| Denver to Siniscola | 5,529.20 mi (8,898.38 km) |
| Denver to Sinnai | 5,572.46 mi (8,968.01 km) |
| Denver to Siracusa | 5,911.90 mi (9,514.28 km) |
| Denver to Solaro | 5,264.07 mi (8,471.70 km) |
| Denver to Soliera | 5,370.54 mi (8,643.05 km) |
