| Robstown to Oberkirch | 5,460.09 mi (8,787.17 km) |
| Robstown to Obernburg am Main | 5,456.13 mi (8,780.79 km) |
| Robstown to Obernkirchen | 5,371.04 mi (8,643.85 km) |
| Robstown to Oberschleissheim | 5,607.07 mi (9,023.70 km) |
| Robstown to Oberstdorf | 5,587.06 mi (8,991.51 km) |
| Robstown to Obertraubling | 5,603.66 mi (9,018.22 km) |
| Robstown to Obertshausen | 5,436.41 mi (8,749.06 km) |
| Robstown to Oberursel | 5,421.86 mi (8,725.63 km) |
| Robstown to Ochsenfurt | 5,498.35 mi (8,848.75 km) |
| Robstown to Ochsenhausen | 5,550.10 mi (8,932.02 km) |
| Robstown to Ochtrup | 5,301.92 mi (8,532.62 km) |
| Robstown to Odenthal | 5,337.96 mi (8,590.62 km) |
| Robstown to Oelde | 5,350.08 mi (8,610.12 km) |
| Robstown to Oelsnitz | 5,549.76 mi (8,931.48 km) |
| Robstown to Oer-Erkenschwick | 5,322.83 mi (8,566.27 km) |
