| Fairmount to Oberkirch | 3,868.98 mi (6,226.52 km) |
| Fairmount to Obernburg am Main | 3,867.74 mi (6,224.53 km) |
| Fairmount to Obernkirchen | 3,788.79 mi (6,097.48 km) |
| Fairmount to Oberschleissheim | 4,017.50 mi (6,465.54 km) |
| Fairmount to Oberstdorf | 3,995.63 mi (6,430.35 km) |
| Fairmount to Obertraubling | 4,015.85 mi (6,462.89 km) |
| Fairmount to Obertshausen | 3,848.25 mi (6,193.17 km) |
| Fairmount to Oberursel | 3,833.79 mi (6,169.89 km) |
| Fairmount to Ochsenfurt | 3,910.27 mi (6,292.97 km) |
| Fairmount to Ochsenhausen | 3,959.30 mi (6,371.88 km) |
| Fairmount to Ochtrup | 3,717.64 mi (5,982.96 km) |
| Fairmount to Odenthal | 3,750.62 mi (6,036.04 km) |
| Fairmount to Oelde | 3,765.61 mi (6,060.17 km) |
| Fairmount to Oelsnitz | 3,965.34 mi (6,381.59 km) |
| Fairmount to Oer-Erkenschwick | 3,737.07 mi (6,014.23 km) |
