| Glenn Dale to Rivalta di Torino | 4,148.13 mi (6,675.77 km) |
| Glenn Dale to Rivarolo Canavese | 4,147.53 mi (6,674.81 km) |
| Glenn Dale to Rivoli | 4,146.99 mi (6,673.93 km) |
| Glenn Dale to Rocca di Papa | 4,485.51 mi (7,218.74 km) |
| Glenn Dale to Rocca Priora | 4,487.13 mi (7,221.35 km) |
| Glenn Dale to Roccapiemonte | 4,609.32 mi (7,417.99 km) |
| Glenn Dale to Roccastrada | 4,374.00 mi (7,039.27 km) |
| Glenn Dale to Romano di Lombardia | 4,229.34 mi (6,806.47 km) |
| Glenn Dale to Rome | 4,470.70 mi (7,194.89 km) |
| Glenn Dale to Roncade | 4,337.57 mi (6,980.64 km) |
| Glenn Dale to Ronchi dei Legionari | 4,377.74 mi (7,045.30 km) |
| Glenn Dale to Ronciglione | 4,444.94 mi (7,153.43 km) |
| Glenn Dale to Rosa | 4,308.71 mi (6,934.19 km) |
| Glenn Dale to Rosarno | 4,752.28 mi (7,648.05 km) |
| Glenn Dale to Rosignano Marittimo | 4,329.98 mi (6,968.43 km) |
