| Kalkara to Opwijk | 1,161.32 mi (1,868.96 km) |
| Kalkara to Ostend | 1,205.29 mi (1,939.73 km) |
| Kalkara to Oud-Heverlee | 1,142.88 mi (1,839.28 km) |
| Kalkara to Oud-Turnhout | 1,165.74 mi (1,876.07 km) |
| Kalkara to Oudenaarde | 1,167.52 mi (1,878.94 km) |
| Kalkara to Oudenburg | 1,200.93 mi (1,932.71 km) |
| Kalkara to Oupeye | 1,115.24 mi (1,794.81 km) |
| Kalkara to Overijse | 1,142.73 mi (1,839.04 km) |
| Kalkara to Overpelt | 1,151.05 mi (1,852.44 km) |
| Kalkara to Paal | 1,144.94 mi (1,842.60 km) |
| Kalkara to Peer | 1,145.15 mi (1,842.95 km) |
| Kalkara to Pepinster | 1,103.09 mi (1,775.25 km) |
| Kalkara to Peruwelz | 1,148.43 mi (1,848.22 km) |
| Kalkara to Perwez | 1,127.09 mi (1,813.88 km) |
| Kalkara to Philippeville | 1,107.48 mi (1,782.32 km) |
