| Ovidiu to Oerlinghausen | 1,055.51 mi (1,698.68 km) |
| Ovidiu to Oestrich-Winkel | 1,040.06 mi (1,673.81 km) |
| Ovidiu to Offenburg | 1,021.66 mi (1,644.20 km) |
| Ovidiu to Oftersheim | 1,004.35 mi (1,616.35 km) |
| Ovidiu to Ohrdruf | 943.40 mi (1,518.25 km) |
| Ovidiu to Ohringen | 961.50 mi (1,547.38 km) |
| Ovidiu to Olbernhau | 834.93 mi (1,343.69 km) |
| Ovidiu to Olching | 865.47 mi (1,392.84 km) |
| Ovidiu to Oldenburg | 1,105.89 mi (1,779.77 km) |
| Ovidiu to Oldenburg in Holstein | 1,050.65 mi (1,690.86 km) |
| Ovidiu to Olfen | 1,100.51 mi (1,771.11 km) |
| Ovidiu to Olpe | 1,066.64 mi (1,716.59 km) |
| Ovidiu to Olsberg | 1,047.46 mi (1,685.72 km) |
| Ovidiu to Oranienburg | 910.80 mi (1,465.79 km) |
| Ovidiu to Ortenberg | 1,001.86 mi (1,612.34 km) |
