| Poggio a Caiano to Opwijk | 589.10 mi (948.06 km) |
| Poggio a Caiano to Ostend | 636.81 mi (1,024.84 km) |
| Poggio a Caiano to Oud-Heverlee | 569.49 mi (916.50 km) |
| Poggio a Caiano to Oud-Turnhout | 590.25 mi (949.91 km) |
| Poggio a Caiano to Oudenaarde | 598.01 mi (962.40 km) |
| Poggio a Caiano to Oudenburg | 632.32 mi (1,017.62 km) |
| Poggio a Caiano to Oupeye | 539.47 mi (868.19 km) |
| Poggio a Caiano to Overijse | 569.94 mi (917.23 km) |
| Poggio a Caiano to Overpelt | 574.85 mi (925.14 km) |
| Poggio a Caiano to Paal | 569.59 mi (916.66 km) |
| Poggio a Caiano to Peer | 569.02 mi (915.75 km) |
| Poggio a Caiano to Pepinster | 527.19 mi (848.44 km) |
| Poggio a Caiano to Peruwelz | 580.64 mi (934.45 km) |
| Poggio a Caiano to Perwez | 553.89 mi (891.39 km) |
| Poggio a Caiano to Philippeville | 536.93 mi (864.11 km) |
