| Develi to Opwijk | 1,747.75 mi (2,812.73 km) |
| Develi to Ostend | 1,805.43 mi (2,905.56 km) |
| Develi to Oud-Heverlee | 1,724.88 mi (2,775.93 km) |
| Develi to Oud-Turnhout | 1,722.49 mi (2,772.08 km) |
| Develi to Oudenaarde | 1,769.66 mi (2,848.00 km) |
| Develi to Oudenburg | 1,801.25 mi (2,898.83 km) |
| Develi to Oupeye | 1,681.67 mi (2,706.38 km) |
| Develi to Overijse | 1,729.37 mi (2,783.16 km) |
| Develi to Overpelt | 1,702.52 mi (2,739.94 km) |
| Develi to Paal | 1,708.46 mi (2,749.50 km) |
| Develi to Peer | 1,699.08 mi (2,734.40 km) |
| Develi to Pepinster | 1,671.31 mi (2,689.72 km) |
| Develi to Peruwelz | 1,763.89 mi (2,838.70 km) |
| Develi to Perwez | 1,714.29 mi (2,758.89 km) |
| Develi to Philippeville | 1,716.86 mi (2,763.02 km) |
