| Igdir to Oberkirch | 1,857.40 mi (2,989.20 km) |
| Igdir to Obernburg am Main | 1,820.77 mi (2,930.24 km) |
| Igdir to Obernkirchen | 1,853.87 mi (2,983.52 km) |
| Igdir to Oberschleissheim | 1,696.41 mi (2,730.11 km) |
| Igdir to Oberstdorf | 1,749.54 mi (2,815.62 km) |
| Igdir to Obertraubling | 1,676.81 mi (2,698.57 km) |
| Igdir to Obertshausen | 1,836.68 mi (2,955.86 km) |
| Igdir to Oberursel | 1,849.35 mi (2,976.25 km) |
| Igdir to Ochsenfurt | 1,777.92 mi (2,861.29 km) |
| Igdir to Ochsenhausen | 1,769.06 mi (2,847.02 km) |
| Igdir to Ochtrup | 1,932.65 mi (3,110.30 km) |
| Igdir to Odenthal | 1,921.49 mi (3,092.34 km) |
| Igdir to Oelde | 1,887.56 mi (3,037.74 km) |
| Igdir to Oelsnitz | 1,696.59 mi (2,730.39 km) |
| Igdir to Oer-Erkenschwick | 1,922.84 mi (3,094.51 km) |
