| Ingenio to Oberkirch | 1,896.78 mi (3,052.57 km) |
| Ingenio to Obernburg am Main | 1,991.57 mi (3,205.12 km) |
| Ingenio to Obernkirchen | 2,102.93 mi (3,384.34 km) |
| Ingenio to Oberschleissheim | 2,012.08 mi (3,238.14 km) |
| Ingenio to Oberstdorf | 1,929.92 mi (3,105.90 km) |
| Ingenio to Obertraubling | 2,062.73 mi (3,319.65 km) |
| Ingenio to Obertshausen | 1,991.41 mi (3,204.87 km) |
| Ingenio to Oberursel | 1,989.14 mi (3,201.22 km) |
| Ingenio to Ochsenfurt | 2,015.09 mi (3,242.97 km) |
| Ingenio to Ochsenhausen | 1,944.24 mi (3,128.95 km) |
| Ingenio to Ochtrup | 2,042.29 mi (3,286.74 km) |
| Ingenio to Odenthal | 1,982.04 mi (3,189.78 km) |
| Ingenio to Oelde | 2,052.57 mi (3,303.29 km) |
| Ingenio to Oelsnitz | 2,121.22 mi (3,413.78 km) |
| Ingenio to Oer-Erkenschwick | 2,016.05 mi (3,244.52 km) |
