| Donaueschingen to Ordu | 1,515.81 mi (2,439.47 km) |
| Donaueschingen to Ortahisar | 1,464.48 mi (2,356.85 km) |
| Donaueschingen to Ortakent | 1,209.89 mi (1,947.13 km) |
| Donaueschingen to Ortaklar | 1,181.31 mi (1,901.14 km) |
| Donaueschingen to Ortakoy | 1,423.29 mi (2,290.56 km) |
| Donaueschingen to Ortakoy | 1,420.40 mi (2,285.91 km) |
| Donaueschingen to Osmaneli | 1,183.43 mi (1,904.55 km) |
| Donaueschingen to Osmaniye | 1,588.30 mi (2,556.12 km) |
| Donaueschingen to Ozdere | 1,160.08 mi (1,866.97 km) |
| Donaueschingen to Palu | 1,690.23 mi (2,720.16 km) |
| Donaueschingen to Pamukkale | 1,246.06 mi (2,005.35 km) |
| Donaueschingen to Patnos | 1,804.45 mi (2,903.98 km) |
| Donaueschingen to Pazar | 1,468.58 mi (2,363.46 km) |
| Donaueschingen to Pazarcik | 1,617.81 mi (2,603.61 km) |
| Donaueschingen to Pazaryeri | 1,191.85 mi (1,918.10 km) |
