| Acqui Terme to Opwijk | 477.74 mi (768.85 km) |
| Acqui Terme to Ostend | 519.97 mi (836.82 km) |
| Acqui Terme to Oud-Heverlee | 460.46 mi (741.05 km) |
| Acqui Terme to Oud-Turnhout | 486.15 mi (782.39 km) |
| Acqui Terme to Oudenaarde | 482.55 mi (776.58 km) |
| Acqui Terme to Oudenburg | 515.64 mi (829.85 km) |
| Acqui Terme to Oupeye | 436.92 mi (703.16 km) |
| Acqui Terme to Overijse | 459.73 mi (739.86 km) |
| Acqui Terme to Overpelt | 473.36 mi (761.80 km) |
| Acqui Terme to Paal | 465.32 mi (748.86 km) |
| Acqui Terme to Peer | 467.36 mi (752.14 km) |
| Acqui Terme to Pepinster | 425.25 mi (684.38 km) |
| Acqui Terme to Peruwelz | 463.07 mi (745.25 km) |
| Acqui Terme to Perwez | 444.62 mi (715.55 km) |
| Acqui Terme to Philippeville | 423.18 mi (681.04 km) |
