| Duluth to Radauti | 4,912.35 mi (7,905.67 km) |
| Duluth to Ramnicu Sarat | 5,078.50 mi (8,173.05 km) |
| Duluth to Ramnicu Valcea | 5,010.55 mi (8,063.70 km) |
| Duluth to Rasnov | 5,018.25 mi (8,076.10 km) |
| Duluth to Reghin | 4,932.47 mi (7,938.04 km) |
| Duluth to Resita | 4,921.39 mi (7,920.22 km) |
| Duluth to Roman | 4,991.09 mi (8,032.38 km) |
| Duluth to Rosiori de Vede | 5,082.78 mi (8,179.95 km) |
| Duluth to Rovinari | 4,982.35 mi (8,018.32 km) |
| Duluth to Roznov | 4,983.71 mi (8,020.51 km) |
| Duluth to Sabaoani | 4,984.06 mi (8,021.07 km) |
| Duluth to Sacele | 5,024.48 mi (8,086.13 km) |
| Duluth to Sacueni | 4,821.67 mi (7,759.73 km) |
| Duluth to Salcea | 4,935.95 mi (7,943.64 km) |
| Duluth to Salonta | 4,836.31 mi (7,783.28 km) |
