| Glenn Dale to Sesena | 3,778.58 mi (6,081.04 km) |
| Glenn Dale to Sestao | 3,723.39 mi (5,992.21 km) |
| Glenn Dale to Sevilla | 3,749.18 mi (6,033.72 km) |
| Glenn Dale to Sevilla La Nueva | 3,755.78 mi (6,044.34 km) |
| Glenn Dale to Silla | 3,958.46 mi (6,370.53 km) |
| Glenn Dale to Silleda | 3,492.99 mi (5,621.42 km) |
| Glenn Dale to Sitges | 4,006.47 mi (6,447.80 km) |
| Glenn Dale to Socuellamos | 3,845.65 mi (6,188.98 km) |
| Glenn Dale to Soller | 4,093.97 mi (6,588.60 km) |
| Glenn Dale to Solsona | 3,970.33 mi (6,389.63 km) |
| Glenn Dale to Son Servera | 4,129.76 mi (6,646.20 km) |
| Glenn Dale to Sonseca | 3,777.92 mi (6,079.98 km) |
| Glenn Dale to Sopelana | 3,722.75 mi (5,991.18 km) |
| Glenn Dale to Soria | 3,790.52 mi (6,100.25 km) |
| Glenn Dale to Suances | 3,671.62 mi (5,908.90 km) |
