| Cerkes to Opwijk | 1,535.08 mi (2,470.48 km) |
| Cerkes to Ostend | 1,592.72 mi (2,563.23 km) |
| Cerkes to Oud-Heverlee | 1,512.29 mi (2,433.79 km) |
| Cerkes to Oud-Turnhout | 1,508.91 mi (2,428.36 km) |
| Cerkes to Oudenaarde | 1,557.42 mi (2,506.43 km) |
| Cerkes to Oudenburg | 1,588.58 mi (2,556.58 km) |
| Cerkes to Oupeye | 1,468.94 mi (2,364.03 km) |
| Cerkes to Overijse | 1,516.93 mi (2,441.26 km) |
| Cerkes to Overpelt | 1,488.96 mi (2,396.25 km) |
| Cerkes to Paal | 1,495.30 mi (2,406.46 km) |
| Cerkes to Peer | 1,485.65 mi (2,390.92 km) |
| Cerkes to Pepinster | 1,458.80 mi (2,347.71 km) |
| Cerkes to Peruwelz | 1,552.32 mi (2,498.22 km) |
| Cerkes to Perwez | 1,502.06 mi (2,417.32 km) |
| Cerkes to Philippeville | 1,505.61 mi (2,423.05 km) |
