| Harker Heights to Norwich | 4,890.37 mi (7,870.29 km) |
| Harker Heights to Nottingham | 4,788.56 mi (7,706.44 km) |
| Harker Heights to Nuneaton | 4,788.77 mi (7,706.78 km) |
| Harker Heights to Oadby | 4,801.56 mi (7,727.37 km) |
| Harker Heights to Oakengates | 4,746.27 mi (7,638.38 km) |
| Harker Heights to Oakham | 4,812.54 mi (7,745.03 km) |
| Harker Heights to Oldbury | 4,768.28 mi (7,673.80 km) |
| Harker Heights to Oldham | 4,735.41 mi (7,620.90 km) |
| Harker Heights to Ollerton | 4,786.40 mi (7,702.96 km) |
| Harker Heights to Olton | 4,778.25 mi (7,689.85 km) |
| Harker Heights to Omagh | 4,513.85 mi (7,264.34 km) |
| Harker Heights to Ormesby | 4,742.14 mi (7,631.73 km) |
| Harker Heights to Ormskirk | 4,705.79 mi (7,573.23 km) |
| Harker Heights to Orpington | 4,882.91 mi (7,858.29 km) |
| Harker Heights to Ossett | 4,751.77 mi (7,647.23 km) |
