| Duluth to Prokuplje | 5,018.96 mi (8,077.24 km) |
| Duluth to Raca | 4,947.23 mi (7,961.80 km) |
| Duluth to Raska | 4,983.82 mi (8,020.69 km) |
| Duluth to Razanj | 4,995.24 mi (8,039.07 km) |
| Duluth to Rekovac | 4,971.14 mi (8,000.27 km) |
| Duluth to Ruma | 4,870.03 mi (7,837.55 km) |
| Duluth to Sabac | 4,877.89 mi (7,850.21 km) |
| Duluth to Secanj | 4,881.94 mi (7,856.73 km) |
| Duluth to Senta | 4,830.90 mi (7,774.58 km) |
| Duluth to Sid | 4,844.29 mi (7,796.13 km) |
| Duluth to Sjenica | 4,964.40 mi (7,989.43 km) |
| Duluth to Smederevo | 4,923.25 mi (7,923.21 km) |
| Duluth to Smederevska Palanka | 4,939.60 mi (7,949.51 km) |
| Duluth to Sokobanja | 5,006.52 mi (8,057.21 km) |
| Duluth to Sombor | 4,806.66 mi (7,735.57 km) |
