| Howard to Quarteira | 4,045.09 mi (6,509.94 km) |
| Howard to Queluz | 3,927.47 mi (6,320.64 km) |
| Howard to Reguengos de Monsaraz | 4,018.12 mi (6,466.53 km) |
| Howard to Resende | 3,896.76 mi (6,271.23 km) |
| Howard to Ribeira Brava | 3,799.31 mi (6,114.41 km) |
| Howard to Ribeira Grande | 3,206.66 mi (5,160.62 km) |
| Howard to Rio de Mouro | 3,923.82 mi (6,314.77 km) |
| Howard to Rio Maior | 3,920.33 mi (6,309.16 km) |
| Howard to Rio Tinto | 3,867.92 mi (6,224.81 km) |
| Howard to Sabugal | 3,963.87 mi (6,379.23 km) |
| Howard to Sacavem | 3,933.07 mi (6,329.67 km) |
| Howard to Salvaterra de Magos | 3,939.06 mi (6,339.30 km) |
| Howard to Santa Comba Dao | 3,916.42 mi (6,302.87 km) |
| Howard to Santa Cruz | 3,811.27 mi (6,133.65 km) |
| Howard to Santa Iria da Azoia | 3,931.87 mi (6,327.73 km) |
