| Cities | Distance |
|---|---|
| Seclin to Brzeszcze | 711.46 mi (1,144.99 km) |
| Seclin to Brzeziny | 727.82 mi (1,171.31 km) |
| Seclin to Brzozow | 840.82 mi (1,353.17 km) |
| Seclin to Bukowno | 722.42 mi (1,162.63 km) |
| Seclin to Busko-Zdroj | 775.39 mi (1,247.87 km) |
| Seclin to Bydgoszcz | 662.06 mi (1,065.49 km) |
| Seclin to Bystrzyca Klodzka | 598.97 mi (963.95 km) |
| Seclin to Bytom | 697.74 mi (1,122.91 km) |
| Seclin to Bytow | 657.66 mi (1,058.41 km) |
| Seclin to Chelm | 890.23 mi (1,432.68 km) |
| Seclin to Chelmek | 714.59 mi (1,150.03 km) |
| Seclin to Chelmno | 681.99 mi (1,097.56 km) |
| Seclin to Chelmza | 687.46 mi (1,106.35 km) |
| Seclin to Chodziez | 615.40 mi (990.39 km) |
| Seclin to Chojnice | 651.92 mi (1,049.16 km) |