| Glenn Dale to Radauti | 4,796.75 mi (7,719.63 km) |
| Glenn Dale to Ramnicu Sarat | 4,941.67 mi (7,952.85 km) |
| Glenn Dale to Ramnicu Valcea | 4,848.10 mi (7,802.26 km) |
| Glenn Dale to Rasnov | 4,870.79 mi (7,838.78 km) |
| Glenn Dale to Reghin | 4,793.73 mi (7,714.76 km) |
| Glenn Dale to Resita | 4,741.29 mi (7,630.37 km) |
| Glenn Dale to Roman | 4,872.21 mi (7,841.06 km) |
| Glenn Dale to Rosiori de Vede | 4,913.15 mi (7,906.95 km) |
| Glenn Dale to Rovinari | 4,807.58 mi (7,737.04 km) |
| Glenn Dale to Roznov | 4,860.26 mi (7,821.82 km) |
| Glenn Dale to Sabaoani | 4,865.60 mi (7,830.43 km) |
| Glenn Dale to Sacele | 4,879.40 mi (7,852.64 km) |
| Glenn Dale to Sacueni | 4,669.78 mi (7,515.28 km) |
| Glenn Dale to Salcea | 4,821.51 mi (7,759.48 km) |
| Glenn Dale to Salonta | 4,673.75 mi (7,521.67 km) |
