| Cities | Distance |
|---|---|
| Seclin to Nowy Sacz | 783.99 mi (1,261.71 km) |
| Seclin to Nowy Targ | 756.34 mi (1,217.22 km) |
| Seclin to Nowy Tomysl | 576.67 mi (928.05 km) |
| Seclin to Nysa | 627.58 mi (1,010.00 km) |
| Seclin to Oborniki | 608.24 mi (978.87 km) |
| Seclin to Oborniki Slaskie | 605.50 mi (974.45 km) |
| Seclin to Olawa | 623.56 mi (1,003.53 km) |
| Seclin to Olecko | 854.24 mi (1,374.77 km) |
| Seclin to Olesnica | 626.44 mi (1,008.16 km) |
| Seclin to Olesno | 672.38 mi (1,082.09 km) |
| Seclin to Olkusz | 726.75 mi (1,169.60 km) |
| Seclin to Olsztyn | 770.23 mi (1,239.57 km) |
| Seclin to Opalenica | 588.35 mi (946.86 km) |
| Seclin to Opoczno | 751.42 mi (1,209.30 km) |
| Seclin to Opole | 652.46 mi (1,050.04 km) |