| Potomac Park to Rende | 6,536.75 mi (10,519.89 km) |
| Potomac Park to Resana | 6,058.90 mi (9,750.86 km) |
| Potomac Park to Rescaldina | 5,968.35 mi (9,605.13 km) |
| Potomac Park to Rezzato | 6,015.99 mi (9,681.79 km) |
| Potomac Park to Rho | 5,975.35 mi (9,616.40 km) |
| Potomac Park to Ribera | 6,545.44 mi (10,533.86 km) |
| Potomac Park to Riccione Marina | 6,169.08 mi (9,928.18 km) |
| Potomac Park to Riesi | 6,584.41 mi (10,596.58 km) |
| Potomac Park to Rieti | 6,262.89 mi (10,079.14 km) |
| Potomac Park to Rignano Flaminio | 6,262.45 mi (10,078.44 km) |
| Potomac Park to Rignano sull'Arno | 6,147.36 mi (9,893.23 km) |
| Potomac Park to Rimini | 6,163.36 mi (9,918.96 km) |
| Potomac Park to Rionero in Vulture | 6,431.76 mi (10,350.91 km) |
| Potomac Park to Riposto | 6,595.68 mi (10,614.72 km) |
| Potomac Park to Riva del Garda | 6,012.40 mi (9,676.02 km) |
