| Fagnano Olona to Opwijk | 424.54 mi (683.23 km) |
| Fagnano Olona to Ostend | 470.65 mi (757.43 km) |
| Fagnano Olona to Oud-Heverlee | 405.76 mi (653.01 km) |
| Fagnano Olona to Oud-Turnhout | 428.82 mi (690.11 km) |
| Fagnano Olona to Oudenaarde | 432.13 mi (695.45 km) |
| Fagnano Olona to Oudenburg | 466.19 mi (750.26 km) |
| Fagnano Olona to Oupeye | 378.58 mi (609.26 km) |
| Fagnano Olona to Overijse | 405.75 mi (652.98 km) |
| Fagnano Olona to Overpelt | 414.67 mi (667.35 km) |
| Fagnano Olona to Paal | 407.99 mi (656.59 km) |
| Fagnano Olona to Peer | 408.72 mi (657.78 km) |
| Fagnano Olona to Pepinster | 366.54 mi (589.90 km) |
| Fagnano Olona to Peruwelz | 414.19 mi (666.58 km) |
| Fagnano Olona to Perwez | 390.00 mi (627.65 km) |
| Fagnano Olona to Philippeville | 371.39 mi (597.70 km) |
