| Harker Heights to Sesimbra | 4,854.33 mi (7,812.29 km) |
| Harker Heights to Setubal | 4,862.20 mi (7,824.96 km) |
| Harker Heights to Sever do Vouga | 4,824.72 mi (7,764.64 km) |
| Harker Heights to Silves | 4,923.58 mi (7,923.74 km) |
| Harker Heights to Sines | 4,880.03 mi (7,853.65 km) |
| Harker Heights to Sintra | 4,830.00 mi (7,773.13 km) |
| Harker Heights to Sobrado de Paiva | 4,821.02 mi (7,758.69 km) |
| Harker Heights to Sobral de Monte Agraco | 4,835.37 mi (7,781.77 km) |
| Harker Heights to Soure | 4,831.26 mi (7,775.17 km) |
| Harker Heights to Tabua | 4,851.48 mi (7,807.70 km) |
| Harker Heights to Tavira | 4,964.90 mi (7,990.23 km) |
| Harker Heights to Tomar | 4,854.56 mi (7,812.66 km) |
| Harker Heights to Tondela | 4,844.42 mi (7,796.34 km) |
| Harker Heights to Torre de Moncorvo | 4,870.01 mi (7,837.52 km) |
| Harker Heights to Torres Novas | 4,852.72 mi (7,809.70 km) |
