| Igdir to Oerlinghausen | 1,867.92 mi (3,006.13 km) |
| Igdir to Oestrich-Winkel | 1,872.61 mi (3,013.67 km) |
| Igdir to Offenburg | 1,863.85 mi (2,999.57 km) |
| Igdir to Oftersheim | 1,840.98 mi (2,962.77 km) |
| Igdir to Ohrdruf | 1,764.13 mi (2,839.09 km) |
| Igdir to Ohringen | 1,798.55 mi (2,894.49 km) |
| Igdir to Olbernhau | 1,650.99 mi (2,657.01 km) |
| Igdir to Olching | 1,707.37 mi (2,747.75 km) |
| Igdir to Oldenburg | 1,905.03 mi (3,065.86 km) |
| Igdir to Oldenburg in Holstein | 1,823.40 mi (2,934.49 km) |
| Igdir to Olfen | 1,918.19 mi (3,087.02 km) |
| Igdir to Olpe | 1,890.58 mi (3,042.59 km) |
| Igdir to Olsberg | 1,867.01 mi (3,004.66 km) |
| Igdir to Oranienburg | 1,696.98 mi (2,731.03 km) |
| Igdir to Ortenberg | 1,830.19 mi (2,945.41 km) |
