| Harker Heights to Santarem | 4,851.95 mi (7,808.46 km) |
| Harker Heights to Santiago do Cacem | 4,886.36 mi (7,863.84 km) |
| Harker Heights to Santo Andre | 4,882.92 mi (7,858.31 km) |
| Harker Heights to Santo Tirso | 4,803.09 mi (7,729.83 km) |
| Harker Heights to Sao Bras de Alportel | 4,952.31 mi (7,969.98 km) |
| Harker Heights to Sao Felix da Marinha | 4,804.04 mi (7,731.35 km) |
| Harker Heights to Sao Joao da Madeira | 4,814.27 mi (7,747.82 km) |
| Harker Heights to Sao Joao de Ver | 4,809.71 mi (7,740.48 km) |
| Harker Heights to Sao Mamede de Infesta | 4,800.49 mi (7,725.64 km) |
| Harker Heights to Sao Pedro do Sul | 4,838.57 mi (7,786.93 km) |
| Harker Heights to Satao | 4,854.95 mi (7,813.28 km) |
| Harker Heights to Seia | 4,865.35 mi (7,830.03 km) |
| Harker Heights to Senhora da Hora | 4,798.46 mi (7,722.37 km) |
| Harker Heights to Serpa | 4,942.76 mi (7,954.60 km) |
| Harker Heights to Serta | 4,864.13 mi (7,828.07 km) |
