| Cities | Distance |
|---|---|
| Hoorn to Opwijk | 122.27 mi (196.78 km) |
| Hoorn to Ostend | 134.34 mi (216.19 km) |
| Hoorn to Oud-Heverlee | 126.68 mi (203.88 km) |
| Hoorn to Oud-Turnhout | 92.19 mi (148.37 km) |
| Hoorn to Oudenaarde | 139.29 mi (224.16 km) |
| Hoorn to Oudenburg | 134.25 mi (216.06 km) |
| Hoorn to Oupeye | 136.41 mi (219.53 km) |
| Hoorn to Overijse | 130.98 mi (210.79 km) |
| Hoorn to Overpelt | 100.15 mi (161.17 km) |
| Hoorn to Paal | 111.39 mi (179.26 km) |
| Hoorn to Peer | 106.12 mi (170.78 km) |
| Hoorn to Pepinster | 147.49 mi (237.37 km) |
| Hoorn to Peruwelz | 160.56 mi (258.39 km) |
| Hoorn to Perwez | 140.39 mi (225.94 km) |
| Hoorn to Philippeville | 170.73 mi (274.77 km) |