| Cities | Distance |
|---|---|
| Seclin to Novi di Modena | 534.71 mi (860.53 km) |
| Seclin to Novi Ligure | 481.09 mi (774.24 km) |
| Seclin to Nuoro | 769.49 mi (1,238.37 km) |
| Seclin to Occhiobello | 555.26 mi (893.61 km) |
| Seclin to Oderzo | 545.84 mi (878.45 km) |
| Seclin to Oggiono | 439.27 mi (706.93 km) |
| Seclin to Olbia | 734.33 mi (1,181.79 km) |
| Seclin to Oleggio | 428.48 mi (689.57 km) |
| Seclin to Olgiate Comasco | 427.80 mi (688.48 km) |
| Seclin to Olgiate Olona | 433.67 mi (697.92 km) |
| Seclin to Omegna | 406.49 mi (654.18 km) |
| Seclin to Opera | 457.15 mi (735.71 km) |
| Seclin to Oppeano | 522.90 mi (841.53 km) |
| Seclin to Orbassano | 436.12 mi (701.87 km) |
| Seclin to Orbetello | 681.31 mi (1,096.46 km) |