| Haltom City to Oberkirch | 5,182.21 mi (8,339.97 km) |
| Haltom City to Obernburg am Main | 5,172.82 mi (8,324.84 km) |
| Haltom City to Obernkirchen | 5,080.45 mi (8,176.20 km) |
| Haltom City to Oberschleissheim | 5,325.47 mi (8,570.51 km) |
| Haltom City to Oberstdorf | 5,309.80 mi (8,545.30 km) |
| Haltom City to Obertraubling | 5,319.13 mi (8,560.32 km) |
| Haltom City to Obertshausen | 5,152.77 mi (8,292.59 km) |
| Haltom City to Oberursel | 5,138.11 mi (8,268.99 km) |
| Haltom City to Ochsenfurt | 5,214.47 mi (8,391.88 km) |
| Haltom City to Ochsenhausen | 5,271.22 mi (8,483.21 km) |
| Haltom City to Ochtrup | 5,013.61 mi (8,068.63 km) |
| Haltom City to Odenthal | 5,053.36 mi (8,132.59 km) |
| Haltom City to Oelde | 5,061.85 mi (8,146.26 km) |
| Haltom City to Oelsnitz | 5,261.01 mi (8,466.78 km) |
| Haltom City to Oer-Erkenschwick | 5,036.18 mi (8,104.95 km) |
