| Ula to Opwijk | 1,526.02 mi (2,455.89 km) |
| Ula to Ostend | 1,582.70 mi (2,547.11 km) |
| Ula to Oud-Heverlee | 1,503.15 mi (2,419.09 km) |
| Ula to Oud-Turnhout | 1,508.39 mi (2,427.52 km) |
| Ula to Oudenaarde | 1,544.37 mi (2,485.42 km) |
| Ula to Oudenburg | 1,578.24 mi (2,539.93 km) |
| Ula to Oupeye | 1,462.03 mi (2,352.91 km) |
| Ula to Overijse | 1,506.49 mi (2,424.46 km) |
| Ula to Overpelt | 1,488.82 mi (2,396.03 km) |
| Ula to Paal | 1,491.41 mi (2,400.20 km) |
| Ula to Peer | 1,484.40 mi (2,388.91 km) |
| Ula to Pepinster | 1,450.45 mi (2,334.28 km) |
| Ula to Peruwelz | 1,534.21 mi (2,469.07 km) |
| Ula to Perwez | 1,490.34 mi (2,398.47 km) |
| Ula to Philippeville | 1,486.31 mi (2,391.99 km) |
