| Gualdo Tadino to Opwijk | 669.21 mi (1,076.98 km) |
| Gualdo Tadino to Ostend | 719.23 mi (1,157.49 km) |
| Gualdo Tadino to Oud-Heverlee | 648.65 mi (1,043.91 km) |
| Gualdo Tadino to Oud-Turnhout | 666.72 mi (1,072.99 km) |
| Gualdo Tadino to Oudenaarde | 680.05 mi (1,094.44 km) |
| Gualdo Tadino to Oudenburg | 714.70 mi (1,150.19 km) |
| Gualdo Tadino to Oupeye | 615.86 mi (991.12 km) |
| Gualdo Tadino to Overijse | 649.69 mi (1,045.57 km) |
| Gualdo Tadino to Overpelt | 650.22 mi (1,046.42 km) |
| Gualdo Tadino to Paal | 646.41 mi (1,040.29 km) |
| Gualdo Tadino to Peer | 644.55 mi (1,037.30 km) |
| Gualdo Tadino to Pepinster | 603.47 mi (971.19 km) |
| Gualdo Tadino to Peruwelz | 663.87 mi (1,068.39 km) |
| Gualdo Tadino to Perwez | 633.35 mi (1,019.28 km) |
| Gualdo Tadino to Philippeville | 618.75 mi (995.78 km) |
