| Ianca to Quarteira | 1,916.95 mi (3,085.03 km) |
| Ianca to Queluz | 1,921.39 mi (3,092.18 km) |
| Ianca to Reguengos de Monsaraz | 1,846.91 mi (2,972.31 km) |
| Ianca to Resende | 1,794.09 mi (2,887.31 km) |
| Ianca to Ribeira Brava | 2,507.32 mi (4,035.15 km) |
| Ianca to Ribeira Grande | 2,739.16 mi (4,408.25 km) |
| Ianca to Rio de Mouro | 1,924.11 mi (3,096.55 km) |
| Ianca to Rio Maior | 1,888.33 mi (3,038.98 km) |
| Ianca to Rio Tinto | 1,821.29 mi (2,931.09 km) |
| Ianca to Sabugal | 1,770.43 mi (2,849.23 km) |
| Ianca to Sacavem | 1,912.27 mi (3,077.51 km) |
| Ianca to Salvaterra de Magos | 1,890.09 mi (3,041.81 km) |
| Ianca to Santa Comba Dao | 1,819.46 mi (2,928.14 km) |
| Ianca to Santa Cruz | 2,495.17 mi (4,015.59 km) |
| Ianca to Santa Iria da Azoia | 1,909.91 mi (3,073.70 km) |
