| Harker Heights to Oschatz | 5,369.31 mi (8,641.07 km) |
| Harker Heights to Oschersleben | 5,275.66 mi (8,490.35 km) |
| Harker Heights to Osnabruck | 5,151.18 mi (8,290.02 km) |
| Harker Heights to Ostbevern | 5,152.50 mi (8,292.15 km) |
| Harker Heights to Osterburg | 5,264.50 mi (8,472.39 km) |
| Harker Heights to Ostercappeln | 5,155.41 mi (8,296.83 km) |
| Harker Heights to Osterhofen | 5,469.43 mi (8,802.20 km) |
| Harker Heights to Osterholz-Scharmbeck | 5,144.44 mi (8,279.18 km) |
| Harker Heights to Osternienburg | 5,311.14 mi (8,547.46 km) |
| Harker Heights to Osterode | 5,250.91 mi (8,450.53 km) |
| Harker Heights to Osterwieck | 5,258.59 mi (8,462.88 km) |
| Harker Heights to Ostfildern | 5,325.80 mi (8,571.04 km) |
| Harker Heights to Osthofen | 5,254.65 mi (8,456.55 km) |
| Harker Heights to Ostrhauderfehn | 5,106.03 mi (8,217.36 km) |
| Harker Heights to Ostringen | 5,287.12 mi (8,508.80 km) |
