| Cities | Distance |
|---|---|
| Seclin to Olivenza | 957.18 mi (1,540.43 km) |
| Seclin to Olot | 578.61 mi (931.18 km) |
| Seclin to Onate | 579.25 mi (932.22 km) |
| Seclin to Onda | 748.54 mi (1,204.66 km) |
| Seclin to Onteniente | 829.39 mi (1,334.77 km) |
| Seclin to Orihuela | 882.90 mi (1,420.89 km) |
| Seclin to Osuna | 1,003.64 mi (1,615.20 km) |
| Seclin to Ourense | 767.12 mi (1,234.56 km) |
| Seclin to Oviedo | 648.57 mi (1,043.77 km) |
| Seclin to Paiporta | 786.38 mi (1,265.55 km) |
| Seclin to Pajara | 1,775.71 mi (2,857.72 km) |
| Seclin to Palafolls | 613.63 mi (987.54 km) |
| Seclin to Palafrugell | 596.37 mi (959.77 km) |
| Seclin to Palamos | 601.30 mi (967.70 km) |
| Seclin to Palencia | 690.48 mi (1,111.22 km) |