| Euless to Oberkirch | 5,173.17 mi (8,325.41 km) |
| Euless to Obernburg am Main | 5,163.96 mi (8,310.58 km) |
| Euless to Obernkirchen | 5,071.86 mi (8,162.36 km) |
| Euless to Oberschleissheim | 5,316.56 mi (8,556.17 km) |
| Euless to Oberstdorf | 5,300.74 mi (8,530.72 km) |
| Euless to Obertraubling | 5,310.32 mi (8,546.14 km) |
| Euless to Obertshausen | 5,143.92 mi (8,278.35 km) |
| Euless to Oberursel | 5,129.26 mi (8,254.75 km) |
| Euless to Ochsenfurt | 5,205.63 mi (8,377.65 km) |
| Euless to Ochsenhausen | 5,262.21 mi (8,468.71 km) |
| Euless to Ochtrup | 5,004.93 mi (8,054.65 km) |
| Euless to Odenthal | 5,044.54 mi (8,118.40 km) |
| Euless to Oelde | 5,053.16 mi (8,132.28 km) |
| Euless to Oelsnitz | 5,252.35 mi (8,452.84 km) |
| Euless to Oer-Erkenschwick | 5,027.44 mi (8,090.88 km) |
