| Round Rock to Rury | 5,722.43 mi (9,209.37 km) |
| Round Rock to Rybnik | 5,640.64 mi (9,077.74 km) |
| Round Rock to Ryki | 5,685.58 mi (9,150.06 km) |
| Round Rock to Rypin | 5,541.66 mi (8,918.44 km) |
| Round Rock to Rzeszow | 5,760.31 mi (9,270.32 km) |
| Round Rock to Sandomierz | 5,722.54 mi (9,209.53 km) |
| Round Rock to Sanok | 5,789.58 mi (9,317.42 km) |
| Round Rock to Sedziszow Malopolski | 5,748.75 mi (9,251.72 km) |
| Round Rock to Sepolno Krajenskie | 5,462.91 mi (8,791.71 km) |
| Round Rock to Sidlice | 5,459.92 mi (8,786.89 km) |
| Round Rock to Siechnice | 5,551.73 mi (8,934.65 km) |
| Round Rock to Siedlce | 5,672.36 mi (9,128.78 km) |
| Round Rock to Siemianowice Slaskie | 5,647.35 mi (9,088.52 km) |
| Round Rock to Siemiatycze | 5,679.17 mi (9,139.74 km) |
| Round Rock to Sieradz | 5,582.06 mi (8,983.45 km) |
