| Cairo Montenotte to Opwijk | 491.67 mi (791.27 km) |
| Cairo Montenotte to Ostend | 532.56 mi (857.07 km) |
| Cairo Montenotte to Oud-Heverlee | 474.92 mi (764.31 km) |
| Cairo Montenotte to Oud-Turnhout | 501.42 mi (806.96 km) |
| Cairo Montenotte to Oudenaarde | 495.57 mi (797.54 km) |
| Cairo Montenotte to Oudenburg | 528.28 mi (850.19 km) |
| Cairo Montenotte to Oupeye | 452.63 mi (728.43 km) |
| Cairo Montenotte to Overijse | 473.96 mi (762.76 km) |
| Cairo Montenotte to Overpelt | 489.10 mi (787.14 km) |
| Cairo Montenotte to Paal | 480.63 mi (773.49 km) |
| Cairo Montenotte to Peer | 483.09 mi (777.46 km) |
| Cairo Montenotte to Pepinster | 441.10 mi (709.88 km) |
| Cairo Montenotte to Peruwelz | 475.66 mi (765.51 km) |
| Cairo Montenotte to Perwez | 459.09 mi (738.84 km) |
| Cairo Montenotte to Philippeville | 436.81 mi (702.97 km) |
