| Seclin to Rybnik | 684.27 mi (1,101.22 km) |
| Seclin to Ryki | 821.46 mi (1,322.02 km) |
| Seclin to Rypin | 721.00 mi (1,160.33 km) |
| Seclin to Rzeszow | 835.89 mi (1,345.24 km) |
| Seclin to Sandomierz | 818.59 mi (1,317.40 km) |
| Seclin to Sanok | 851.68 mi (1,370.64 km) |
| Seclin to Sedziszow Malopolski | 822.38 mi (1,323.50 km) |
| Seclin to Sepolno Krajenskie | 647.26 mi (1,041.66 km) |
| Seclin to Sidlice | 705.09 mi (1,134.73 km) |
| Seclin to Siechnice | 616.81 mi (992.67 km) |
| Seclin to Siedlce | 835.19 mi (1,344.11 km) |
| Seclin to Siemianowice Slaskie | 701.47 mi (1,128.90 km) |
| Seclin to Siemiatycze | 860.30 mi (1,384.51 km) |
| Seclin to Sieradz | 684.98 mi (1,102.37 km) |
| Seclin to Sierpc | 728.46 mi (1,172.34 km) |
