| Highland Park to Opwijk | 4,121.02 mi (6,632.15 km) |
| Highland Park to Ostend | 4,064.67 mi (6,541.46 km) |
| Highland Park to Oud-Heverlee | 4,143.82 mi (6,668.84 km) |
| Highland Park to Oud-Turnhout | 4,138.27 mi (6,659.91 km) |
| Highland Park to Oudenaarde | 4,103.30 mi (6,603.63 km) |
| Highland Park to Oudenburg | 4,069.16 mi (6,548.69 km) |
| Highland Park to Oupeye | 4,184.70 mi (6,734.63 km) |
| Highland Park to Overijse | 4,140.63 mi (6,663.70 km) |
| Highland Park to Overpelt | 4,157.87 mi (6,691.45 km) |
| Highland Park to Paal | 4,155.25 mi (6,687.23 km) |
| Highland Park to Peer | 4,162.26 mi (6,698.52 km) |
| Highland Park to Pepinster | 4,196.33 mi (6,753.35 km) |
| Highland Park to Peruwelz | 4,114.42 mi (6,621.53 km) |
| Highland Park to Perwez | 4,156.88 mi (6,689.85 km) |
| Highland Park to Philippeville | 4,162.21 mi (6,698.44 km) |
