| Dogubayazit to Oerlinghausen | 1,885.63 mi (3,034.63 km) |
| Dogubayazit to Oestrich-Winkel | 1,888.82 mi (3,039.76 km) |
| Dogubayazit to Offenburg | 1,878.85 mi (3,023.72 km) |
| Dogubayazit to Oftersheim | 1,856.75 mi (2,988.14 km) |
| Dogubayazit to Ohrdruf | 1,781.22 mi (2,866.59 km) |
| Dogubayazit to Ohringen | 1,814.24 mi (2,919.74 km) |
| Dogubayazit to Olbernhau | 1,668.27 mi (2,684.81 km) |
| Dogubayazit to Olching | 1,722.36 mi (2,771.88 km) |
| Dogubayazit to Oldenburg | 1,923.50 mi (3,095.58 km) |
| Dogubayazit to Oldenburg in Holstein | 1,842.93 mi (2,965.91 km) |
| Dogubayazit to Olfen | 1,935.61 mi (3,115.06 km) |
| Dogubayazit to Olpe | 1,907.54 mi (3,069.88 km) |
| Dogubayazit to Olsberg | 1,884.26 mi (3,032.43 km) |
| Dogubayazit to Oranienburg | 1,715.81 mi (2,761.33 km) |
| Dogubayazit to Ortenberg | 1,846.76 mi (2,972.07 km) |
