| Manassas Park to Opwijk | 3,875.25 mi (6,236.61 km) |
| Manassas Park to Ostend | 3,817.64 mi (6,143.90 km) |
| Manassas Park to Oud-Heverlee | 3,898.23 mi (6,273.59 km) |
| Manassas Park to Oud-Turnhout | 3,898.47 mi (6,273.98 km) |
| Manassas Park to Oudenaarde | 3,854.56 mi (6,203.31 km) |
| Manassas Park to Oudenburg | 3,821.94 mi (6,150.82 km) |
| Manassas Park to Oupeye | 3,940.97 mi (6,342.38 km) |
| Manassas Park to Overijse | 3,894.12 mi (6,266.98 km) |
| Manassas Park to Overpelt | 3,918.43 mi (6,306.10 km) |
| Manassas Park to Paal | 3,913.28 mi (6,297.82 km) |
| Manassas Park to Peer | 3,922.11 mi (6,312.02 km) |
| Manassas Park to Pepinster | 3,951.77 mi (6,359.76 km) |
| Manassas Park to Peruwelz | 3,862.30 mi (6,215.78 km) |
| Manassas Park to Perwez | 3,909.68 mi (6,292.03 km) |
| Manassas Park to Philippeville | 3,910.01 mi (6,292.55 km) |
