| Petrovec to Opwijk | 1,033.76 mi (1,663.68 km) |
| Petrovec to Ostend | 1,090.30 mi (1,754.67 km) |
| Petrovec to Oud-Heverlee | 1,010.94 mi (1,626.95 km) |
| Petrovec to Oud-Turnhout | 1,016.96 mi (1,636.64 km) |
| Petrovec to Oudenaarde | 1,051.88 mi (1,692.84 km) |
| Petrovec to Oudenburg | 1,085.83 mi (1,747.47 km) |
| Petrovec to Oupeye | 970.09 mi (1,561.21 km) |
| Petrovec to Overijse | 1,014.19 mi (1,632.18 km) |
| Petrovec to Overpelt | 997.51 mi (1,605.34 km) |
| Petrovec to Paal | 999.67 mi (1,608.81 km) |
| Petrovec to Peer | 992.98 mi (1,598.04 km) |
| Petrovec to Pepinster | 958.42 mi (1,542.43 km) |
| Petrovec to Peruwelz | 1,041.62 mi (1,676.32 km) |
| Petrovec to Perwez | 997.99 mi (1,606.11 km) |
| Petrovec to Philippeville | 993.72 mi (1,599.24 km) |
