| Petrovac na Mlavi to Oerlinghausen | 785.49 mi (1,264.13 km) |
| Petrovac na Mlavi to Oestrich-Winkel | 738.57 mi (1,188.62 km) |
| Petrovac na Mlavi to Offenburg | 700.44 mi (1,127.25 km) |
| Petrovac na Mlavi to Oftersheim | 696.15 mi (1,120.34 km) |
| Petrovac na Mlavi to Ohrdruf | 666.98 mi (1,073.39 km) |
| Petrovac na Mlavi to Ohringen | 653.84 mi (1,052.25 km) |
| Petrovac na Mlavi to Olbernhau | 574.75 mi (924.98 km) |
| Petrovac na Mlavi to Olching | 549.27 mi (883.97 km) |
| Petrovac na Mlavi to Oldenburg | 850.99 mi (1,369.54 km) |
| Petrovac na Mlavi to Oldenburg in Holstein | 831.69 mi (1,338.48 km) |
| Petrovac na Mlavi to Olfen | 820.69 mi (1,320.78 km) |
| Petrovac na Mlavi to Olpe | 778.75 mi (1,253.28 km) |
| Petrovac na Mlavi to Olsberg | 767.26 mi (1,234.79 km) |
| Petrovac na Mlavi to Oranienburg | 688.15 mi (1,107.48 km) |
| Petrovac na Mlavi to Ortenberg | 709.41 mi (1,141.69 km) |
