| Orsova to Oerlinghausen | 802.64 mi (1,291.73 km) |
| Orsova to Oestrich-Winkel | 764.20 mi (1,229.87 km) |
| Orsova to Offenburg | 732.29 mi (1,178.51 km) |
| Orsova to Oftersheim | 723.66 mi (1,164.62 km) |
| Orsova to Ohrdruf | 685.01 mi (1,102.41 km) |
| Orsova to Ohringen | 680.97 mi (1,095.91 km) |
| Orsova to Olbernhau | 587.54 mi (945.56 km) |
| Orsova to Olching | 578.68 mi (931.29 km) |
| Orsova to Oldenburg | 864.76 mi (1,391.69 km) |
| Orsova to Oldenburg in Holstein | 837.07 mi (1,347.14 km) |
| Orsova to Olfen | 840.61 mi (1,352.83 km) |
| Orsova to Olpe | 800.65 mi (1,288.52 km) |
| Orsova to Olsberg | 786.99 mi (1,266.53 km) |
| Orsova to Oranienburg | 693.05 mi (1,115.36 km) |
| Orsova to Ortenberg | 732.23 mi (1,178.41 km) |
