| Middle River to Rury | 4,506.47 mi (7,252.47 km) |
| Middle River to Rybnik | 4,400.66 mi (7,082.18 km) |
| Middle River to Ryki | 4,470.65 mi (7,194.81 km) |
| Middle River to Rypin | 4,329.76 mi (6,968.07 km) |
| Middle River to Rzeszow | 4,532.54 mi (7,294.42 km) |
| Middle River to Sandomierz | 4,499.03 mi (7,240.49 km) |
| Middle River to Sanok | 4,558.84 mi (7,336.74 km) |
| Middle River to Sedziszow Malopolski | 4,520.10 mi (7,274.39 km) |
| Middle River to Sepolno Krajenskie | 4,247.60 mi (6,835.84 km) |
| Middle River to Sidlice | 4,256.61 mi (6,850.36 km) |
| Middle River to Siechnice | 4,314.55 mi (6,943.60 km) |
| Middle River to Siedlce | 4,463.27 mi (7,182.94 km) |
| Middle River to Siemianowice Slaskie | 4,410.40 mi (7,097.85 km) |
| Middle River to Siemiatycze | 4,474.69 mi (7,201.32 km) |
| Middle River to Sieradz | 4,355.03 mi (7,008.74 km) |
