| Cities | Distance |
|---|
| Horten to Opwijk | 633.33 mi (1,019.25 km) |
| Horten to Ostend | 637.71 mi (1,026.29 km) |
| Horten to Oud-Heverlee | 634.99 mi (1,021.92 km) |
| Horten to Oud-Turnhout | 598.95 mi (963.91 km) |
| Horten to Oudenaarde | 649.98 mi (1,046.05 km) |
| Horten to Oudenburg | 638.95 mi (1,028.28 km) |
| Horten to Oupeye | 630.70 mi (1,015.01 km) |
| Horten to Overijse | 640.14 mi (1,030.20 km) |
| Horten to Overpelt | 599.76 mi (965.21 km) |
| Horten to Paal | 614.62 mi (989.13 km) |
| Horten to Peer | 604.83 mi (973.38 km) |
| Horten to Pepinster | 638.15 mi (1,027.01 km) |
| Horten to Peruwelz | 671.69 mi (1,080.98 km) |
| Horten to Perwez | 646.69 mi (1,040.74 km) |
| Horten to Philippeville | 678.15 mi (1,091.38 km) |
