| Glenn Dale to Rosolini | 4,769.25 mi (7,675.36 km) |
| Glenn Dale to Rossano | 4,740.17 mi (7,628.56 km) |
| Glenn Dale to Rottofreno | 4,235.46 mi (6,816.31 km) |
| Glenn Dale to Rovato | 4,238.37 mi (6,821.00 km) |
| Glenn Dale to Roverbella | 4,281.00 mi (6,889.61 km) |
| Glenn Dale to Rovereto | 4,272.87 mi (6,876.52 km) |
| Glenn Dale to Rovigo | 4,331.06 mi (6,970.17 km) |
| Glenn Dale to Rozzano | 4,207.83 mi (6,771.85 km) |
| Glenn Dale to Rubano | 4,318.83 mi (6,950.49 km) |
| Glenn Dale to Rubiera | 4,302.06 mi (6,923.50 km) |
| Glenn Dale to Ruffano | 4,795.41 mi (7,717.46 km) |
| Glenn Dale to Russi | 4,365.08 mi (7,024.92 km) |
| Glenn Dale to Rutigliano | 4,699.94 mi (7,563.83 km) |
| Glenn Dale to Ruvo di Puglia | 4,674.83 mi (7,523.41 km) |
| Glenn Dale to Sabaudia | 4,515.80 mi (7,267.48 km) |
