| Demir Hisar to Opwijk | 1,053.15 mi (1,694.89 km) |
| Demir Hisar to Ostend | 1,109.08 mi (1,784.89 km) |
| Demir Hisar to Oud-Heverlee | 1,030.49 mi (1,658.42 km) |
| Demir Hisar to Oud-Turnhout | 1,038.27 mi (1,670.93 km) |
| Demir Hisar to Oudenaarde | 1,070.30 mi (1,722.48 km) |
| Demir Hisar to Oudenburg | 1,104.57 mi (1,777.64 km) |
| Demir Hisar to Oupeye | 990.46 mi (1,593.99 km) |
| Demir Hisar to Overijse | 1,033.45 mi (1,663.17 km) |
| Demir Hisar to Overpelt | 1,019.07 mi (1,640.03 km) |
| Demir Hisar to Paal | 1,020.42 mi (1,642.21 km) |
| Demir Hisar to Peer | 1,014.34 mi (1,632.42 km) |
| Demir Hisar to Pepinster | 978.59 mi (1,574.89 km) |
| Demir Hisar to Peruwelz | 1,059.04 mi (1,704.37 km) |
| Demir Hisar to Perwez | 1,017.10 mi (1,636.87 km) |
| Demir Hisar to Philippeville | 1,011.25 mi (1,627.45 km) |
