| Montespertoli to Opwijk | 599.46 mi (964.73 km) |
| Montespertoli to Ostend | 646.88 mi (1,041.05 km) |
| Montespertoli to Oud-Heverlee | 579.95 mi (933.34 km) |
| Montespertoli to Oud-Turnhout | 600.94 mi (967.13 km) |
| Montespertoli to Oudenaarde | 608.14 mi (978.70 km) |
| Montespertoli to Oudenburg | 642.40 mi (1,033.84 km) |
| Montespertoli to Oupeye | 550.19 mi (885.45 km) |
| Montespertoli to Overijse | 580.34 mi (933.97 km) |
| Montespertoli to Overpelt | 585.64 mi (942.50 km) |
| Montespertoli to Paal | 580.26 mi (933.84 km) |
| Montespertoli to Peer | 579.80 mi (933.09 km) |
| Montespertoli to Pepinster | 537.93 mi (865.71 km) |
| Montespertoli to Peruwelz | 590.63 mi (950.53 km) |
| Montespertoli to Perwez | 564.32 mi (908.19 km) |
| Montespertoli to Philippeville | 547.12 mi (880.51 km) |
