| Duluth to Rury | 4,635.30 mi (7,459.80 km) |
| Duluth to Rybnik | 4,573.65 mi (7,360.58 km) |
| Duluth to Ryki | 4,598.23 mi (7,400.13 km) |
| Duluth to Rypin | 4,454.21 mi (7,168.35 km) |
| Duluth to Rzeszow | 4,681.43 mi (7,534.03 km) |
| Duluth to Sandomierz | 4,640.92 mi (7,468.84 km) |
| Duluth to Sanok | 4,712.62 mi (7,584.22 km) |
| Duluth to Sedziszow Malopolski | 4,670.72 mi (7,516.80 km) |
| Duluth to Sepolno Krajenskie | 4,379.03 mi (7,047.36 km) |
| Duluth to Sidlice | 4,367.81 mi (7,029.31 km) |
| Duluth to Siechnice | 4,483.70 mi (7,215.82 km) |
| Duluth to Siedlce | 4,581.16 mi (7,372.66 km) |
| Duluth to Siemianowice Slaskie | 4,577.62 mi (7,366.97 km) |
| Duluth to Siemiatycze | 4,584.83 mi (7,378.57 km) |
| Duluth to Sieradz | 4,505.21 mi (7,250.43 km) |
