| Harker Heights to Ondokuzmayis | 6,621.67 mi (10,656.54 km) |
| Harker Heights to Ordu | 6,707.07 mi (10,793.99 km) |
| Harker Heights to Ortahisar | 6,735.49 mi (10,839.73 km) |
| Harker Heights to Ortakent | 6,535.63 mi (10,518.08 km) |
| Harker Heights to Ortaklar | 6,505.34 mi (10,469.33 km) |
| Harker Heights to Ortakoy | 6,700.77 mi (10,783.84 km) |
| Harker Heights to Ortakoy | 6,660.30 mi (10,718.71 km) |
| Harker Heights to Osmaneli | 6,475.40 mi (10,421.14 km) |
| Harker Heights to Osmaniye | 6,866.03 mi (11,049.81 km) |
| Harker Heights to Ozdere | 6,484.50 mi (10,435.79 km) |
| Harker Heights to Palu | 6,898.90 mi (11,102.71 km) |
| Harker Heights to Pamukkale | 6,565.00 mi (10,565.34 km) |
| Harker Heights to Patnos | 6,958.14 mi (11,198.04 km) |
| Harker Heights to Pazar | 6,695.96 mi (10,776.11 km) |
| Harker Heights to Pazarcik | 6,879.46 mi (11,071.43 km) |
