| Seclin to Dabrowa Tarnowska | 789.94 mi (1,271.28 km) |
| Seclin to Darlowo | 622.02 mi (1,001.04 km) |
| Seclin to Debica | 810.18 mi (1,303.86 km) |
| Seclin to Deblin | 818.57 mi (1,317.36 km) |
| Seclin to Debno | 522.02 mi (840.11 km) |
| Seclin to Dobre Miasto | 769.49 mi (1,238.37 km) |
| Seclin to Drawsko Pomorskie | 579.61 mi (932.80 km) |
| Seclin to Drezdenko | 569.80 mi (917.01 km) |
| Seclin to Dzialdowo | 752.61 mi (1,211.20 km) |
| Seclin to Dzierzoniow | 596.19 mi (959.47 km) |
| Seclin to Elblag | 732.61 mi (1,179.02 km) |
| Seclin to Elk | 846.64 mi (1,362.54 km) |
| Seclin to Garwolin | 808.17 mi (1,300.62 km) |
| Seclin to Gdansk | 706.19 mi (1,136.50 km) |
| Seclin to Gdynia | 704.75 mi (1,134.19 km) |
