| Mission to Oberkirch | 5,570.04 mi (8,964.11 km) |
| Mission to Obernburg am Main | 5,567.09 mi (8,959.37 km) |
| Mission to Obernkirchen | 5,483.31 mi (8,824.54 km) |
| Mission to Oberschleissheim | 5,717.66 mi (9,201.69 km) |
| Mission to Oberstdorf | 5,696.84 mi (9,168.18 km) |
| Mission to Obertraubling | 5,714.80 mi (9,197.08 km) |
| Mission to Obertshausen | 5,547.43 mi (8,927.73 km) |
| Mission to Oberursel | 5,532.90 mi (8,904.35 km) |
| Mission to Ochsenfurt | 5,609.40 mi (9,027.46 km) |
| Mission to Ochsenhausen | 5,660.20 mi (9,109.21 km) |
| Mission to Ochtrup | 5,413.81 mi (8,712.69 km) |
| Mission to Odenthal | 5,449.19 mi (8,769.63 km) |
| Mission to Oelde | 5,461.94 mi (8,790.15 km) |
| Mission to Oelsnitz | 5,661.67 mi (9,111.58 km) |
| Mission to Oer-Erkenschwick | 5,434.43 mi (8,745.86 km) |
