| Harrow to Quarteira | 1,072.18 mi (1,725.50 km) |
| Harrow to Queluz | 985.66 mi (1,586.26 km) |
| Harrow to Reguengos de Monsaraz | 973.99 mi (1,567.49 km) |
| Harrow to Resende | 808.95 mi (1,301.88 km) |
| Harrow to Ribeira Brava | 1,553.19 mi (2,499.62 km) |
| Harrow to Ribeira Grande | 1,546.48 mi (2,488.81 km) |
| Harrow to Rio de Mouro | 985.94 mi (1,586.72 km) |
| Harrow to Rio Maior | 941.66 mi (1,515.46 km) |
| Harrow to Rio Tinto | 817.45 mi (1,315.55 km) |
| Harrow to Sabugal | 840.02 mi (1,351.88 km) |
| Harrow to Sacavem | 979.55 mi (1,576.43 km) |
| Harrow to Salvaterra de Magos | 958.72 mi (1,542.92 km) |
| Harrow to Santa Comba Dao | 856.88 mi (1,379.01 km) |
| Harrow to Santa Cruz | 1,546.43 mi (2,488.74 km) |
| Harrow to Santa Iria da Azoia | 975.87 mi (1,570.52 km) |
