| Seclin to Amorebieta | 574.49 mi (924.55 km) |
| Seclin to Amposta | 689.83 mi (1,110.18 km) |
| Seclin to Amurrio | 590.78 mi (950.77 km) |
| Seclin to Andoain | 559.49 mi (900.42 km) |
| Seclin to Andraitx | 758.78 mi (1,221.14 km) |
| Seclin to Andujar | 931.47 mi (1,499.06 km) |
| Seclin to Antequera | 1,007.28 mi (1,621.06 km) |
| Seclin to Antigua | 1,769.28 mi (2,847.38 km) |
| Seclin to Aranda de Duero | 691.09 mi (1,112.20 km) |
| Seclin to Aranjuez | 794.04 mi (1,277.89 km) |
| Seclin to Archena | 884.90 mi (1,424.10 km) |
| Seclin to Arcos de la Frontera | 1,048.84 mi (1,687.94 km) |
| Seclin to Arenys de Mar | 619.94 mi (997.70 km) |
| Seclin to Arenys de Munt | 617.82 mi (994.29 km) |
| Seclin to Argentona | 622.04 mi (1,001.08 km) |
