| Glenn Dale to Rodgau | 4,055.44 mi (6,526.59 km) |
| Glenn Dale to Roding | 4,226.30 mi (6,801.57 km) |
| Glenn Dale to Rodinghausen | 3,976.34 mi (6,399.30 km) |
| Glenn Dale to Roetgen | 3,929.52 mi (6,323.95 km) |
| Glenn Dale to Rommerskirchen | 3,938.91 mi (6,339.07 km) |
| Glenn Dale to Ronnenberg | 4,019.97 mi (6,469.52 km) |
| Glenn Dale to Rosbach vor der Hohe | 4,039.94 mi (6,501.65 km) |
| Glenn Dale to Rosdorf | 4,052.83 mi (6,522.40 km) |
| Glenn Dale to Rosenheim | 4,254.10 mi (6,846.31 km) |
| Glenn Dale to Rosrath | 3,962.25 mi (6,376.63 km) |
| Glenn Dale to Rossdorf | 4,054.89 mi (6,525.71 km) |
| Glenn Dale to Rosstal | 4,154.43 mi (6,685.91 km) |
| Glenn Dale to Rostock | 4,063.08 mi (6,538.90 km) |
| Glenn Dale to Rotenburg an der Fulda | 4,060.65 mi (6,534.99 km) |
| Glenn Dale to Roth | 4,167.55 mi (6,707.03 km) |
