| Hakkari to Oerlinghausen | 1,959.60 mi (3,153.67 km) |
| Hakkari to Oestrich-Winkel | 1,953.87 mi (3,144.46 km) |
| Hakkari to Offenburg | 1,936.89 mi (3,117.12 km) |
| Hakkari to Oftersheim | 1,919.26 mi (3,088.75 km) |
| Hakkari to Ohrdruf | 1,851.72 mi (2,980.06 km) |
| Hakkari to Ohringen | 1,876.46 mi (3,019.87 km) |
| Hakkari to Olbernhau | 1,740.22 mi (2,800.61 km) |
| Hakkari to Olching | 1,780.80 mi (2,865.92 km) |
| Hakkari to Oldenburg | 2,001.96 mi (3,221.85 km) |
| Hakkari to Oldenburg in Holstein | 1,928.01 mi (3,102.84 km) |
| Hakkari to Olfen | 2,007.72 mi (3,231.11 km) |
| Hakkari to Olpe | 1,976.95 mi (3,181.59 km) |
| Hakkari to Olsberg | 1,955.50 mi (3,147.07 km) |
| Hakkari to Oranienburg | 1,796.92 mi (2,891.87 km) |
| Hakkari to Ortenberg | 1,914.00 mi (3,080.29 km) |
