| Grand Junction to Oberkirch | 5,251.09 mi (8,450.81 km) |
| Grand Junction to Obernburg am Main | 5,221.75 mi (8,403.59 km) |
| Grand Junction to Obernkirchen | 5,103.38 mi (8,213.10 km) |
| Grand Junction to Oberschleissheim | 5,377.07 mi (8,653.56 km) |
| Grand Junction to Oberstdorf | 5,377.75 mi (8,654.66 km) |
| Grand Junction to Obertraubling | 5,359.82 mi (8,625.79 km) |
| Grand Junction to Obertshausen | 5,201.00 mi (8,370.19 km) |
| Grand Junction to Oberursel | 5,186.28 mi (8,346.51 km) |
| Grand Junction to Ochsenfurt | 5,260.20 mi (8,465.48 km) |
| Grand Junction to Ochsenhausen | 5,334.22 mi (8,584.60 km) |
| Grand Junction to Ochtrup | 5,047.30 mi (8,122.84 km) |
| Grand Junction to Odenthal | 5,100.39 mi (8,208.28 km) |
| Grand Junction to Oelde | 5,094.62 mi (8,199.00 km) |
| Grand Junction to Oelsnitz | 5,286.74 mi (8,508.18 km) |
| Grand Junction to Oer-Erkenschwick | 5,075.79 mi (8,168.70 km) |
