| Glenn Dale to Spello | 4,440.54 mi (7,146.36 km) |
| Glenn Dale to Spilamberto | 4,316.01 mi (6,945.94 km) |
| Glenn Dale to Spilimbergo | 4,342.02 mi (6,987.81 km) |
| Glenn Dale to Spinea | 4,332.84 mi (6,973.03 km) |
| Glenn Dale to Spoleto | 4,449.25 mi (7,160.38 km) |
| Glenn Dale to Spoltore | 4,523.42 mi (7,279.74 km) |
| Glenn Dale to Spresiano | 4,326.91 mi (6,963.48 km) |
| Glenn Dale to Squinzano | 4,769.25 mi (7,675.36 km) |
| Glenn Dale to Statte | 4,726.99 mi (7,607.35 km) |
| Glenn Dale to Stezzano | 4,220.88 mi (6,792.85 km) |
| Glenn Dale to Strada | 4,360.97 mi (7,018.30 km) |
| Glenn Dale to Stradella | 4,223.89 mi (6,797.70 km) |
| Glenn Dale to Striano | 4,601.69 mi (7,405.71 km) |
| Glenn Dale to Subiaco | 4,496.51 mi (7,236.44 km) |
| Glenn Dale to Sulmona | 4,528.71 mi (7,288.25 km) |
