| Petrich to Oestrich-Winkel | 941.37 mi (1,514.99 km) |
| Petrich to Offenburg | 890.18 mi (1,432.60 km) |
| Petrich to Oftersheim | 895.80 mi (1,441.66 km) |
| Petrich to Ohrdruf | 881.83 mi (1,419.16 km) |
| Petrich to Ohringen | 854.83 mi (1,375.71 km) |
| Petrich to Olbernhau | 795.19 mi (1,279.73 km) |
| Petrich to Olching | 747.46 mi (1,202.93 km) |
| Petrich to Oldenburg | 1,069.43 mi (1,721.08 km) |
| Petrich to Oldenburg in Holstein | 1,055.65 mi (1,698.90 km) |
| Petrich to Olfen | 1,032.10 mi (1,661.01 km) |
| Petrich to Olpe | 987.53 mi (1,589.28 km) |
| Petrich to Olsberg | 979.27 mi (1,575.99 km) |
| Petrich to Oranienburg | 912.44 mi (1,468.42 km) |
| Petrich to Ortenberg | 917.36 mi (1,476.34 km) |
| Petrich to Oschatz | 835.22 mi (1,344.15 km) |
