| Duluth to Roy (Utah) | 1,059.35 mi (1,704.86 km) |
| Duluth to Royal Kunia (Hawaii) | 4,023.94 mi (6,475.90 km) |
| Duluth to Royal Oak (Michigan) | 530.57 mi (853.86 km) |
| Duluth to Royal Palm Beach (Florida) | 1,531.66 mi (2,464.97 km) |
| Duluth to Royse City (Texas) | 978.47 mi (1,574.69 km) |
| Duluth to Ruskin (Florida) | 1,419.22 mi (2,284.01 km) |
| Duluth to Russellville (Alabama) | 878.38 mi (1,413.61 km) |
| Duluth to Russellville (Arkansas) | 796.22 mi (1,281.39 km) |
| Duluth to Ruston (Louisiana) | 984.43 mi (1,584.29 km) |
| Duluth to Rutherford (New Jersey) | 985.99 mi (1,586.80 km) |
| Duluth to Rutland (Vermont) | 955.69 mi (1,538.03 km) |
| Duluth to Sabana Grande (Puerto Rico) | 2,444.24 mi (3,933.62 km) |
| Duluth to Sachse (Texas) | 981.90 mi (1,580.21 km) |
| Duluth to Saco (Maine) | 1,075.89 mi (1,731.47 km) |
| Duluth to Sacramento (California) | 1,582.90 mi (2,547.44 km) |
