| Petrovec to Oerlinghausen | 920.81 mi (1,481.91 km) |
| Petrovec to Oestrich-Winkel | 856.56 mi (1,378.50 km) |
| Petrovec to Offenburg | 802.54 mi (1,291.56 km) |
| Petrovec to Oftersheim | 810.25 mi (1,303.97 km) |
| Petrovec to Ohrdruf | 802.18 mi (1,290.99 km) |
| Petrovec to Ohringen | 769.76 mi (1,238.80 km) |
| Petrovec to Olbernhau | 720.05 mi (1,158.82 km) |
| Petrovec to Olching | 662.06 mi (1,065.49 km) |
| Petrovec to Oldenburg | 991.65 mi (1,595.91 km) |
| Petrovec to Oldenburg in Holstein | 984.66 mi (1,584.66 km) |
| Petrovec to Olfen | 950.24 mi (1,529.26 km) |
| Petrovec to Olpe | 904.65 mi (1,455.90 km) |
| Petrovec to Olsberg | 897.83 mi (1,444.92 km) |
| Petrovec to Oranienburg | 842.64 mi (1,356.09 km) |
| Petrovec to Ortenberg | 834.35 mi (1,342.75 km) |
