| Harker Heights to Quarteira | 4,943.79 mi (7,956.27 km) |
| Harker Heights to Queluz | 4,837.34 mi (7,784.95 km) |
| Harker Heights to Reguengos de Monsaraz | 4,932.01 mi (7,937.30 km) |
| Harker Heights to Resende | 4,833.35 mi (7,778.53 km) |
| Harker Heights to Ribeira Brava | 4,604.81 mi (7,410.72 km) |
| Harker Heights to Ribeira Grande | 4,034.99 mi (6,493.69 km) |
| Harker Heights to Rio de Mouro | 4,833.59 mi (7,778.91 km) |
| Harker Heights to Rio Maior | 4,837.08 mi (7,784.52 km) |
| Harker Heights to Rio Tinto | 4,803.01 mi (7,729.69 km) |
| Harker Heights to Sabugal | 4,897.02 mi (7,880.99 km) |
| Harker Heights to Sacavem | 4,844.02 mi (7,795.70 km) |
| Harker Heights to Salvaterra de Magos | 4,853.43 mi (7,810.84 km) |
| Harker Heights to Santa Comba Dao | 4,846.15 mi (7,799.12 km) |
| Harker Heights to Santa Cruz | 4,618.18 mi (7,432.25 km) |
| Harker Heights to Santa Iria da Azoia | 4,843.38 mi (7,794.67 km) |
