| Petrich to Opwijk | 1,119.55 mi (1,801.74 km) |
| Petrich to Ostend | 1,176.36 mi (1,893.18 km) |
| Petrich to Oud-Heverlee | 1,096.66 mi (1,764.90 km) |
| Petrich to Oud-Turnhout | 1,101.66 mi (1,772.95 km) |
| Petrich to Oudenaarde | 1,138.17 mi (1,831.70 km) |
| Petrich to Oudenburg | 1,171.92 mi (1,886.02 km) |
| Petrich to Oupeye | 1,055.40 mi (1,698.50 km) |
| Petrich to Overijse | 1,100.07 mi (1,770.39 km) |
| Petrich to Overpelt | 1,082.08 mi (1,741.44 km) |
| Petrich to Paal | 1,084.72 mi (1,745.69 km) |
| Petrich to Peer | 1,077.67 mi (1,734.34 km) |
| Petrich to Pepinster | 1,043.86 mi (1,679.93 km) |
| Petrich to Peruwelz | 1,128.40 mi (1,815.99 km) |
| Petrich to Perwez | 1,083.96 mi (1,744.47 km) |
| Petrich to Philippeville | 1,080.50 mi (1,738.90 km) |
