| Denver to Sesena | 5,020.36 mi (8,079.48 km) |
| Denver to Sestao | 4,913.52 mi (7,907.54 km) |
| Denver to Sevilla | 5,043.16 mi (8,116.19 km) |
| Denver to Sevilla La Nueva | 4,996.25 mi (8,040.70 km) |
| Denver to Silla | 5,188.71 mi (8,350.42 km) |
| Denver to Silleda | 4,724.80 mi (7,603.83 km) |
| Denver to Sitges | 5,194.95 mi (8,360.47 km) |
| Denver to Socuellamos | 5,092.72 mi (8,195.94 km) |
| Denver to Soller | 5,296.79 mi (8,524.36 km) |
| Denver to Solsona | 5,149.72 mi (8,287.68 km) |
| Denver to Son Servera | 5,329.80 mi (8,577.49 km) |
| Denver to Sonseca | 5,026.90 mi (8,090.01 km) |
| Denver to Sopelana | 4,911.61 mi (7,904.48 km) |
| Denver to Soria | 5,000.45 mi (8,047.44 km) |
| Denver to Suances | 4,866.55 mi (7,831.95 km) |
