| Kalamaria to Opwijk | 1,148.70 mi (1,848.65 km) |
| Kalamaria to Ostend | 1,205.02 mi (1,939.30 km) |
| Kalamaria to Oud-Heverlee | 1,125.93 mi (1,812.01 km) |
| Kalamaria to Oud-Turnhout | 1,132.52 mi (1,822.62 km) |
| Kalamaria to Oudenaarde | 1,166.45 mi (1,877.22 km) |
| Kalamaria to Oudenburg | 1,200.54 mi (1,932.08 km) |
| Kalamaria to Oupeye | 1,085.35 mi (1,746.70 km) |
| Kalamaria to Overijse | 1,129.07 mi (1,817.06 km) |
| Kalamaria to Overpelt | 1,113.14 mi (1,791.42 km) |
| Kalamaria to Paal | 1,115.06 mi (1,794.51 km) |
| Kalamaria to Peer | 1,108.55 mi (1,784.03 km) |
| Kalamaria to Pepinster | 1,073.61 mi (1,727.81 km) |
| Kalamaria to Peruwelz | 1,155.76 mi (1,860.02 km) |
| Kalamaria to Perwez | 1,112.81 mi (1,790.90 km) |
| Kalamaria to Philippeville | 1,107.90 mi (1,782.99 km) |
