| Corum to Opwijk | 1,632.99 mi (2,628.04 km) |
| Corum to Ostend | 1,690.51 mi (2,720.61 km) |
| Corum to Oud-Heverlee | 1,610.30 mi (2,591.53 km) |
| Corum to Oud-Turnhout | 1,605.73 mi (2,584.17 km) |
| Corum to Oudenaarde | 1,655.78 mi (2,664.72 km) |
| Corum to Oudenburg | 1,686.44 mi (2,714.06 km) |
| Corum to Oupeye | 1,566.85 mi (2,521.60 km) |
| Corum to Overijse | 1,615.10 mi (2,599.25 km) |
| Corum to Overpelt | 1,585.82 mi (2,552.12 km) |
| Corum to Paal | 1,592.66 mi (2,563.14 km) |
| Corum to Peer | 1,582.68 mi (2,547.07 km) |
| Corum to Pepinster | 1,556.95 mi (2,505.67 km) |
| Corum to Peruwelz | 1,651.38 mi (2,657.63 km) |
| Corum to Perwez | 1,600.47 mi (2,575.70 km) |
| Corum to Philippeville | 1,605.01 mi (2,583.01 km) |
