| Glenn Dale to Racale | 4,789.48 mi (7,707.92 km) |
| Glenn Dale to Racconigi | 4,163.68 mi (6,700.79 km) |
| Glenn Dale to Raffadali | 4,681.72 mi (7,534.51 km) |
| Glenn Dale to Ragusa | 4,755.00 mi (7,652.44 km) |
| Glenn Dale to Ramacca | 4,736.13 mi (7,622.07 km) |
| Glenn Dale to Randazzo | 4,728.56 mi (7,609.88 km) |
| Glenn Dale to Rapallo | 4,244.66 mi (6,831.12 km) |
| Glenn Dale to Ravanusa | 4,706.95 mi (7,575.11 km) |
| Glenn Dale to Ravenna | 4,370.96 mi (7,034.39 km) |
| Glenn Dale to Recanati | 4,464.23 mi (7,184.48 km) |
| Glenn Dale to Recco | 4,240.48 mi (6,824.40 km) |
| Glenn Dale to Reggello | 4,367.00 mi (7,028.02 km) |
| Glenn Dale to Reggio di Calabria | 4,751.55 mi (7,646.88 km) |
| Glenn Dale to Reggio Emilia | 4,293.94 mi (6,910.42 km) |
| Glenn Dale to Reggiolo | 4,294.67 mi (6,911.61 km) |
