| Petrovec to Oberkirch | 798.81 mi (1,285.57 km) |
| Petrovec to Obernburg am Main | 809.17 mi (1,302.23 km) |
| Petrovec to Obernkirchen | 921.79 mi (1,483.48 km) |
| Petrovec to Oberschleissheim | 655.03 mi (1,054.17 km) |
| Petrovec to Oberstdorf | 672.06 mi (1,081.57 km) |
| Petrovec to Obertraubling | 666.42 mi (1,072.50 km) |
| Petrovec to Obertshausen | 829.58 mi (1,335.08 km) |
| Petrovec to Oberursel | 844.34 mi (1,358.83 km) |
| Petrovec to Ochsenfurt | 768.68 mi (1,237.08 km) |
| Petrovec to Ochsenhausen | 708.95 mi (1,140.95 km) |
| Petrovec to Ochtrup | 978.33 mi (1,574.47 km) |
| Petrovec to Odenthal | 930.00 mi (1,496.69 km) |
| Petrovec to Oelde | 930.71 mi (1,497.83 km) |
| Petrovec to Oelsnitz | 738.65 mi (1,188.75 km) |
| Petrovec to Oer-Erkenschwick | 951.35 mi (1,531.05 km) |
