| Seclin to Szamotuly | 598.06 mi (962.48 km) |
| Seclin to Szczecin | 528.30 mi (850.21 km) |
| Seclin to Szczecinek | 617.88 mi (994.37 km) |
| Seclin to Szczytno | 788.36 mi (1,268.74 km) |
| Seclin to Szprotawa | 546.87 mi (880.10 km) |
| Seclin to Sztum | 714.34 mi (1,149.61 km) |
| Seclin to Szubin | 650.62 mi (1,047.07 km) |
| Seclin to Szydlowiec | 776.22 mi (1,249.21 km) |
| Seclin to Tarnobrzeg | 816.51 mi (1,314.05 km) |
| Seclin to Tarnow | 791.87 mi (1,274.39 km) |
| Seclin to Tarnowskie Gory | 694.43 mi (1,117.58 km) |
| Seclin to Tczew | 707.60 mi (1,138.77 km) |
| Seclin to Tomaszow Lubelski | 893.21 mi (1,437.48 km) |
| Seclin to Tomaszow Mazowiecki | 739.47 mi (1,190.06 km) |
| Seclin to Torun | 686.05 mi (1,104.10 km) |
