| Duluth to Rende | 5,031.55 mi (8,097.50 km) |
| Duluth to Resana | 4,570.54 mi (7,355.58 km) |
| Duluth to Rescaldina | 4,464.75 mi (7,185.32 km) |
| Duluth to Rezzato | 4,518.41 mi (7,271.68 km) |
| Duluth to Rho | 4,471.60 mi (7,196.35 km) |
| Duluth to Ribera | 5,015.27 mi (8,071.30 km) |
| Duluth to Riccione Marina | 4,673.46 mi (7,521.21 km) |
| Duluth to Riesi | 5,057.06 mi (8,138.55 km) |
| Duluth to Rieti | 4,758.23 mi (7,657.63 km) |
| Duluth to Rignano Flaminio | 4,754.63 mi (7,651.83 km) |
| Duluth to Rignano sull'Arno | 4,643.77 mi (7,473.43 km) |
| Duluth to Rimini | 4,667.69 mi (7,511.93 km) |
| Duluth to Rionero in Vulture | 4,933.09 mi (7,939.05 km) |
| Duluth to Riposto | 5,076.28 mi (8,169.48 km) |
| Duluth to Riva del Garda | 4,520.02 mi (7,274.28 km) |
