| Willebroek to Rybnik | 625.06 mi (1,005.94 km) |
| Willebroek to Ryki | 757.23 mi (1,218.64 km) |
| Willebroek to Rypin | 654.08 mi (1,052.63 km) |
| Willebroek to Rzeszow | 775.55 mi (1,248.13 km) |
| Willebroek to Sandomierz | 756.59 mi (1,217.62 km) |
| Willebroek to Sanok | 792.61 mi (1,275.58 km) |
| Willebroek to Sedziszow Malopolski | 762.05 mi (1,226.40 km) |
| Willebroek to Sepolno Krajenskie | 579.58 mi (932.75 km) |
| Willebroek to Sidlice | 636.79 mi (1,024.81 km) |
| Willebroek to Siechnice | 554.64 mi (892.60 km) |
| Willebroek to Siedlce | 769.91 mi (1,239.04 km) |
| Willebroek to Siemianowice Slaskie | 641.42 mi (1,032.27 km) |
| Willebroek to Siemiatycze | 794.56 mi (1,278.72 km) |
| Willebroek to Sieradz | 620.99 mi (999.39 km) |
| Willebroek to Sierpc | 661.84 mi (1,065.13 km) |
