| Harpenden to Quarteira | 1,086.89 mi (1,749.17 km) |
| Harpenden to Queluz | 999.64 mi (1,608.77 km) |
| Harpenden to Reguengos de Monsaraz | 988.71 mi (1,591.17 km) |
| Harpenden to Resende | 822.93 mi (1,324.38 km) |
| Harpenden to Ribeira Brava | 1,565.57 mi (2,519.55 km) |
| Harpenden to Ribeira Grande | 1,553.92 mi (2,500.79 km) |
| Harpenden to Rio de Mouro | 999.90 mi (1,609.19 km) |
| Harpenden to Rio Maior | 955.66 mi (1,537.98 km) |
| Harpenden to Rio Tinto | 831.12 mi (1,337.55 km) |
| Harpenden to Sabugal | 854.57 mi (1,375.30 km) |
| Harpenden to Sacavem | 993.59 mi (1,599.03 km) |
| Harpenden to Salvaterra de Magos | 972.85 mi (1,565.65 km) |
| Harpenden to Santa Comba Dao | 870.97 mi (1,401.69 km) |
| Harpenden to Santa Cruz | 1,558.91 mi (2,508.82 km) |
| Harpenden to Santa Iria da Azoia | 989.91 mi (1,593.11 km) |
