| Glenn Dale to Ratingen | 3,938.10 mi (6,337.76 km) |
| Glenn Dale to Ratzeburg | 4,022.68 mi (6,473.88 km) |
| Glenn Dale to Raubling | 4,254.93 mi (6,847.65 km) |
| Glenn Dale to Rauenberg | 4,070.04 mi (6,550.10 km) |
| Glenn Dale to Raunheim | 4,037.97 mi (6,498.48 km) |
| Glenn Dale to Ravensburg | 4,152.14 mi (6,682.23 km) |
| Glenn Dale to Recke | 3,943.58 mi (6,346.58 km) |
| Glenn Dale to Recklinghausen | 3,942.81 mi (6,345.34 km) |
| Glenn Dale to Regen | 4,258.50 mi (6,853.39 km) |
| Glenn Dale to Regensburg | 4,214.72 mi (6,782.94 km) |
| Glenn Dale to Regenstauf | 4,213.14 mi (6,780.40 km) |
| Glenn Dale to Rehau | 4,173.41 mi (6,716.45 km) |
| Glenn Dale to Rehburg-Loccum | 3,999.03 mi (6,435.82 km) |
| Glenn Dale to Rehlingen-Siersburg | 3,984.20 mi (6,411.94 km) |
| Glenn Dale to Reichelsheim | 4,062.47 mi (6,537.91 km) |
