| Dumbarton to Quarteira | 1,314.92 mi (2,116.16 km) |
| Dumbarton to Queluz | 1,207.81 mi (1,943.78 km) |
| Dumbarton to Reguengos de Monsaraz | 1,219.14 mi (1,962.01 km) |
| Dumbarton to Resende | 1,037.02 mi (1,668.92 km) |
| Dumbarton to Ribeira Brava | 1,715.80 mi (2,761.31 km) |
| Dumbarton to Ribeira Grande | 1,583.16 mi (2,547.85 km) |
| Dumbarton to Rio de Mouro | 1,207.16 mi (1,942.74 km) |
| Dumbarton to Rio Maior | 1,165.38 mi (1,875.50 km) |
| Dumbarton to Rio Tinto | 1,036.41 mi (1,667.95 km) |
| Dumbarton to Sabugal | 1,083.90 mi (1,744.36 km) |
| Dumbarton to Sacavem | 1,203.57 mi (1,936.95 km) |
| Dumbarton to Salvaterra de Magos | 1,185.88 mi (1,908.49 km) |
| Dumbarton to Santa Comba Dao | 1,086.42 mi (1,748.42 km) |
| Dumbarton to Santa Cruz | 1,711.65 mi (2,754.63 km) |
| Dumbarton to Santa Iria da Azoia | 1,199.88 mi (1,931.01 km) |
