| Highland City to Opwijk | 4,578.74 mi (7,368.77 km) |
| Highland City to Ostend | 4,521.12 mi (7,276.04 km) |
| Highland City to Oud-Heverlee | 4,601.53 mi (7,405.44 km) |
| Highland City to Oud-Turnhout | 4,605.45 mi (7,411.75 km) |
| Highland City to Oudenaarde | 4,556.42 mi (7,332.85 km) |
| Highland City to Oudenburg | 4,525.25 mi (7,282.68 km) |
| Highland City to Oupeye | 4,644.89 mi (7,475.22 km) |
| Highland City to Overijse | 4,596.89 mi (7,397.98 km) |
| Highland City to Overpelt | 4,625.37 mi (7,443.81 km) |
| Highland City to Paal | 4,618.70 mi (7,433.08 km) |
| Highland City to Peer | 4,628.55 mi (7,448.93 km) |
| Highland City to Pepinster | 4,655.02 mi (7,491.52 km) |
| Highland City to Peruwelz | 4,561.84 mi (7,341.58 km) |
| Highland City to Perwez | 4,611.79 mi (7,421.96 km) |
| Highland City to Philippeville | 4,608.82 mi (7,417.18 km) |
