| Duffel to Rybnik | 618.59 mi (995.52 km) |
| Duffel to Ryki | 750.43 mi (1,207.69 km) |
| Duffel to Rypin | 647.17 mi (1,041.52 km) |
| Duffel to Rzeszow | 768.98 mi (1,237.56 km) |
| Duffel to Sandomierz | 749.92 mi (1,206.88 km) |
| Duffel to Sanok | 786.13 mi (1,265.15 km) |
| Duffel to Sedziszow Malopolski | 755.49 mi (1,215.84 km) |
| Duffel to Sepolno Krajenskie | 572.68 mi (921.64 km) |
| Duffel to Sidlice | 629.94 mi (1,013.78 km) |
| Duffel to Siechnice | 547.96 mi (881.86 km) |
| Duffel to Siedlce | 763.05 mi (1,228.01 km) |
| Duffel to Siemianowice Slaskie | 634.89 mi (1,021.75 km) |
| Duffel to Siemiatycze | 787.69 mi (1,267.66 km) |
| Duffel to Sieradz | 614.21 mi (988.47 km) |
| Duffel to Sierpc | 654.94 mi (1,054.03 km) |
