| Colmenar Viejo to Opwijk | 807.47 mi (1,299.49 km) |
| Colmenar Viejo to Ostend | 796.82 mi (1,282.36 km) |
| Colmenar Viejo to Oud-Heverlee | 810.88 mi (1,304.99 km) |
| Colmenar Viejo to Oud-Turnhout | 846.37 mi (1,362.11 km) |
| Colmenar Viejo to Oudenaarde | 787.67 mi (1,267.63 km) |
| Colmenar Viejo to Oudenburg | 795.74 mi (1,280.62 km) |
| Colmenar Viejo to Oupeye | 828.22 mi (1,332.89 km) |
| Colmenar Viejo to Overijse | 804.81 mi (1,295.22 km) |
| Colmenar Viejo to Overpelt | 851.04 mi (1,369.62 km) |
| Colmenar Viejo to Paal | 834.95 mi (1,343.72 km) |
| Colmenar Viejo to Peer | 847.19 mi (1,363.42 km) |
| Colmenar Viejo to Pepinster | 825.02 mi (1,327.73 km) |
| Colmenar Viejo to Peruwelz | 767.34 mi (1,234.91 km) |
| Colmenar Viejo to Perwez | 802.45 mi (1,291.42 km) |
| Colmenar Viejo to Philippeville | 771.68 mi (1,241.89 km) |
