| Senigallia to Opwijk | 654.86 mi (1,053.90 km) |
| Senigallia to Ostend | 706.38 mi (1,136.80 km) |
| Senigallia to Oud-Heverlee | 633.76 mi (1,019.93 km) |
| Senigallia to Oud-Turnhout | 650.04 mi (1,046.13 km) |
| Senigallia to Oudenaarde | 667.06 mi (1,073.53 km) |
| Senigallia to Oudenburg | 701.82 mi (1,129.48 km) |
| Senigallia to Oupeye | 599.34 mi (964.54 km) |
| Senigallia to Overijse | 635.17 mi (1,022.21 km) |
| Senigallia to Overpelt | 632.94 mi (1,018.61 km) |
| Senigallia to Paal | 630.02 mi (1,013.92 km) |
| Senigallia to Peer | 627.39 mi (1,009.68 km) |
| Senigallia to Pepinster | 586.95 mi (944.60 km) |
| Senigallia to Peruwelz | 651.83 mi (1,049.02 km) |
| Senigallia to Perwez | 618.72 mi (995.74 km) |
| Senigallia to Philippeville | 605.83 mi (975.00 km) |
