| Great Missenden to Oberkirch | 446.44 mi (718.47 km) |
| Great Missenden to Obernburg am Main | 448.82 mi (722.30 km) |
| Great Missenden to Obernkirchen | 419.57 mi (675.24 km) |
| Great Missenden to Oberschleissheim | 594.37 mi (956.55 km) |
| Great Missenden to Oberstdorf | 574.05 mi (923.84 km) |
| Great Missenden to Obertraubling | 597.55 mi (961.66 km) |
| Great Missenden to Obertshausen | 430.65 mi (693.06 km) |
| Great Missenden to Oberursel | 416.89 mi (670.92 km) |
| Great Missenden to Ochsenfurt | 492.11 mi (791.97 km) |
| Great Missenden to Ochsenhausen | 535.92 mi (862.48 km) |
| Great Missenden to Ochtrup | 337.92 mi (543.83 km) |
| Great Missenden to Odenthal | 340.51 mi (548.00 km) |
| Great Missenden to Oelde | 378.61 mi (609.31 km) |
| Great Missenden to Oelsnitz | 565.34 mi (909.83 km) |
| Great Missenden to Oer-Erkenschwick | 340.87 mi (548.57 km) |
