| Seclin to Sabinanigo | 577.61 mi (929.57 km) |
| Seclin to Sagunto | 768.04 mi (1,236.04 km) |
| Seclin to Salamanca | 782.43 mi (1,259.19 km) |
| Seclin to Salobrena | 1,008.33 mi (1,622.75 km) |
| Seclin to Salou | 660.52 mi (1,063.00 km) |
| Seclin to Salt | 592.39 mi (953.36 km) |
| Seclin to Salvatierra de Mino | 801.19 mi (1,289.39 km) |
| Seclin to Sama | 647.05 mi (1,041.32 km) |
| Seclin to San Adrian de Besos | 631.17 mi (1,015.77 km) |
| Seclin to San Agustin de Guadalix | 753.05 mi (1,211.92 km) |
| Seclin to San Andres de la Barca | 630.79 mi (1,015.16 km) |
| Seclin to San Andres de Llevaneras | 620.66 mi (998.86 km) |
| Seclin to San Andres del Rabanedo | 683.32 mi (1,099.70 km) |
| Seclin to San Bartolome | 1,841.67 mi (2,963.88 km) |
| Seclin to San Baudilio de Llobregat | 637.58 mi (1,026.09 km) |
