| Alton to Quarteira | 1,033.93 mi (1,663.94 km) |
| Alton to Queluz | 946.28 mi (1,522.88 km) |
| Alton to Reguengos de Monsaraz | 935.75 mi (1,505.95 km) |
| Alton to Resende | 769.57 mi (1,238.50 km) |
| Alton to Ribeira Brava | 1,512.78 mi (2,434.59 km) |
| Alton to Ribeira Grande | 1,508.37 mi (2,427.49 km) |
| Alton to Rio de Mouro | 946.53 mi (1,523.29 km) |
| Alton to Rio Maior | 902.29 mi (1,452.10 km) |
| Alton to Rio Tinto | 777.73 mi (1,251.64 km) |
| Alton to Sabugal | 801.48 mi (1,289.86 km) |
| Alton to Sacavem | 940.23 mi (1,513.16 km) |
| Alton to Salvaterra de Magos | 919.52 mi (1,479.82 km) |
| Alton to Santa Comba Dao | 817.63 mi (1,315.85 km) |
| Alton to Santa Cruz | 1,506.05 mi (2,423.75 km) |
| Alton to Santa Iria da Azoia | 936.56 mi (1,507.24 km) |
