| Seclin to Queluz | 1,011.87 mi (1,628.44 km) |
| Seclin to Reguengos de Monsaraz | 984.58 mi (1,584.52 km) |
| Seclin to Resende | 838.26 mi (1,349.04 km) |
| Seclin to Ribeira Brava | 1,601.57 mi (2,577.47 km) |
| Seclin to Ribeira Grande | 1,650.00 mi (2,655.42 km) |
| Seclin to Rio de Mouro | 1,012.76 mi (1,629.89 km) |
| Seclin to Rio Maior | 968.37 mi (1,558.44 km) |
| Seclin to Rio Tinto | 852.44 mi (1,371.87 km) |
| Seclin to Sabugal | 856.66 mi (1,378.66 km) |
| Seclin to Sacavem | 1,004.72 mi (1,616.95 km) |
| Seclin to Salvaterra de Magos | 982.52 mi (1,581.21 km) |
| Seclin to Santa Comba Dao | 883.00 mi (1,421.05 km) |
| Seclin to Santa Cruz | 1,593.54 mi (2,564.55 km) |
| Seclin to Santa Iria da Azoia | 1,001.19 mi (1,611.26 km) |
| Seclin to Santarem | 967.04 mi (1,556.30 km) |
