| Idil to Oberkirch | 1,857.31 mi (2,989.05 km) |
| Idil to Obernburg am Main | 1,832.33 mi (2,948.85 km) |
| Idil to Obernkirchen | 1,884.69 mi (3,033.11 km) |
| Idil to Oberschleissheim | 1,697.35 mi (2,731.61 km) |
| Idil to Oberstdorf | 1,741.88 mi (2,803.29 km) |
| Idil to Obertraubling | 1,684.78 mi (2,711.39 km) |
| Idil to Obertshausen | 1,849.74 mi (2,976.86 km) |
| Idil to Oberursel | 1,863.22 mi (2,998.56 km) |
| Idil to Ochsenfurt | 1,789.00 mi (2,879.12 km) |
| Idil to Ochsenhausen | 1,766.76 mi (2,843.32 km) |
| Idil to Ochtrup | 1,960.48 mi (3,155.09 km) |
| Idil to Odenthal | 1,940.29 mi (3,122.60 km) |
| Idil to Oelde | 1,913.73 mi (3,079.85 km) |
| Idil to Oelsnitz | 1,717.06 mi (2,763.34 km) |
| Idil to Oer-Erkenschwick | 1,946.46 mi (3,132.53 km) |
