| Great Cornard to Opwijk | 164.77 mi (265.17 km) |
| Great Cornard to Ostend | 108.19 mi (174.12 km) |
| Great Cornard to Oud-Heverlee | 187.71 mi (302.09 km) |
| Great Cornard to Oud-Turnhout | 187.86 mi (302.33 km) |
| Great Cornard to Oudenaarde | 147.14 mi (236.81 km) |
| Great Cornard to Oudenburg | 112.70 mi (181.38 km) |
| Great Cornard to Oupeye | 229.79 mi (369.80 km) |
| Great Cornard to Overijse | 184.22 mi (296.48 km) |
| Great Cornard to Overpelt | 207.80 mi (334.42 km) |
| Great Cornard to Paal | 201.89 mi (324.92 km) |
| Great Cornard to Peer | 211.12 mi (339.76 km) |
| Great Cornard to Pepinster | 240.91 mi (387.70 km) |
| Great Cornard to Peruwelz | 160.78 mi (258.75 km) |
| Great Cornard to Perwez | 200.39 mi (322.49 km) |
| Great Cornard to Philippeville | 207.48 mi (333.90 km) |
