| Cities | Distance |
|---|---|
| Zemst to Opwijk | 10.40 mi (16.74 km) |
| Zemst to Ostend | 67.52 mi (108.66 km) |
| Zemst to Oud-Heverlee | 14.34 mi (23.08 km) |
| Zemst to Oud-Turnhout | 34.03 mi (54.77 km) |
| Zemst to Oudenaarde | 36.80 mi (59.22 km) |
| Zemst to Oudenburg | 63.43 mi (102.09 km) |
| Zemst to Oupeye | 56.30 mi (90.61 km) |
| Zemst to Overijse | 13.92 mi (22.40 km) |
| Zemst to Overpelt | 46.34 mi (74.58 km) |
| Zemst to Paal | 32.96 mi (53.04 km) |
| Zemst to Peer | 46.15 mi (74.27 km) |
| Zemst to Pepinster | 67.07 mi (107.93 km) |
| Zemst to Peruwelz | 48.33 mi (77.78 km) |
| Zemst to Perwez | 29.54 mi (47.54 km) |
| Zemst to Philippeville | 53.65 mi (86.34 km) |