| Senec to Quarteira | 1,497.27 mi (2,409.62 km) |
| Senec to Queluz | 1,478.00 mi (2,378.61 km) |
| Senec to Reguengos de Monsaraz | 1,415.56 mi (2,278.12 km) |
| Senec to Resende | 1,332.19 mi (2,143.95 km) |
| Senec to Ribeira Brava | 2,080.00 mi (3,347.44 km) |
| Senec to Ribeira Grande | 2,250.73 mi (3,622.19 km) |
| Senec to Rio de Mouro | 1,480.23 mi (2,382.21 km) |
| Senec to Rio Maior | 1,440.53 mi (2,318.31 km) |
| Senec to Rio Tinto | 1,356.56 mi (2,183.18 km) |
| Senec to Sabugal | 1,319.95 mi (2,124.26 km) |
| Senec to Sacavem | 1,469.18 mi (2,364.42 km) |
| Senec to Salvaterra de Magos | 1,446.20 mi (2,327.43 km) |
| Senec to Santa Comba Dao | 1,364.17 mi (2,195.42 km) |
| Senec to Santa Cruz | 2,069.09 mi (3,329.87 km) |
| Senec to Santa Iria da Azoia | 1,466.37 mi (2,359.89 km) |
