| Backi Petrovac to Oerlinghausen | 674.63 mi (1,085.71 km) |
| Backi Petrovac to Oestrich-Winkel | 626.29 mi (1,007.92 km) |
| Backi Petrovac to Offenburg | 589.87 mi (949.30 km) |
| Backi Petrovac to Oftersheim | 584.09 mi (940.01 km) |
| Backi Petrovac to Ohrdruf | 555.93 mi (894.68 km) |
| Backi Petrovac to Ohringen | 541.70 mi (871.79 km) |
| Backi Petrovac to Olbernhau | 466.64 mi (750.99 km) |
| Backi Petrovac to Olching | 437.61 mi (704.27 km) |
| Backi Petrovac to Oldenburg | 741.60 mi (1,193.48 km) |
| Backi Petrovac to Oldenburg in Holstein | 728.27 mi (1,172.03 km) |
| Backi Petrovac to Olfen | 708.93 mi (1,140.91 km) |
| Backi Petrovac to Olpe | 666.62 mi (1,072.82 km) |
| Backi Petrovac to Olsberg | 655.58 mi (1,055.05 km) |
| Backi Petrovac to Oranienburg | 585.79 mi (942.73 km) |
| Backi Petrovac to Ortenberg | 597.19 mi (961.09 km) |
