| Glenn Dale to Senftenberg | 4,211.48 mi (6,777.72 km) |
| Glenn Dale to Siegburg | 3,965.80 mi (6,382.34 km) |
| Glenn Dale to Siegen | 3,996.00 mi (6,430.94 km) |
| Glenn Dale to Sigmaringen | 4,126.46 mi (6,640.89 km) |
| Glenn Dale to Simbach am Inn | 4,276.56 mi (6,882.46 km) |
| Glenn Dale to Simmerath | 3,934.89 mi (6,332.59 km) |
| Glenn Dale to Sindelfingen | 4,098.74 mi (6,596.29 km) |
| Glenn Dale to Sinsheim | 4,077.90 mi (6,562.74 km) |
| Glenn Dale to Sinzheim | 4,062.89 mi (6,538.59 km) |
| Glenn Dale to Sinzig | 3,974.76 mi (6,396.77 km) |
| Glenn Dale to Soest | 3,980.57 mi (6,406.11 km) |
| Glenn Dale to Solingen | 3,950.99 mi (6,358.51 km) |
| Glenn Dale to Soltau | 4,008.17 mi (6,450.53 km) |
| Glenn Dale to Sommerda | 4,110.32 mi (6,614.91 km) |
| Glenn Dale to Sondershausen | 4,094.46 mi (6,589.39 km) |
