| Seclin to Trancoso | 838.76 mi (1,349.85 km) |
| Seclin to Trofa | 843.62 mi (1,357.67 km) |
| Seclin to Vagos | 891.33 mi (1,434.46 km) |
| Seclin to Valadares | 859.57 mi (1,383.34 km) |
| Seclin to Valbom | 855.12 mi (1,376.19 km) |
| Seclin to Vale de Cambra | 865.84 mi (1,393.44 km) |
| Seclin to Valenca | 809.08 mi (1,302.08 km) |
| Seclin to Valongo | 850.28 mi (1,368.40 km) |
| Seclin to Vendas Novas | 992.88 mi (1,597.89 km) |
| Seclin to Viana do Castelo | 832.56 mi (1,339.87 km) |
| Seclin to Vieira do Minho | 814.00 mi (1,310.01 km) |
| Seclin to Vila do Conde | 848.59 mi (1,365.67 km) |
| Seclin to Vila Franca do Campo | 1,651.17 mi (2,657.30 km) |
| Seclin to Vila Nova de Cerveira | 813.38 mi (1,309.00 km) |
| Seclin to Vila Nova de Gaia | 856.68 mi (1,378.69 km) |
