| Morristown to Opwijk | 4,231.32 mi (6,809.66 km) |
| Morristown to Ostend | 4,173.82 mi (6,717.11 km) |
| Morristown to Oud-Heverlee | 4,254.31 mi (6,846.66 km) |
| Morristown to Oud-Turnhout | 4,253.60 mi (6,845.51 km) |
| Morristown to Oudenaarde | 4,211.07 mi (6,777.07 km) |
| Morristown to Oudenburg | 4,178.16 mi (6,724.10 km) |
| Morristown to Oupeye | 4,296.83 mi (6,915.08 km) |
| Morristown to Overijse | 4,250.35 mi (6,840.28 km) |
| Morristown to Overpelt | 4,273.54 mi (6,877.60 km) |
| Morristown to Paal | 4,268.80 mi (6,869.97 km) |
| Morristown to Peer | 4,277.34 mi (6,883.72 km) |
| Morristown to Pepinster | 4,307.79 mi (6,932.71 km) |
| Morristown to Peruwelz | 4,219.36 mi (6,790.41 km) |
| Morristown to Perwez | 4,266.05 mi (6,865.54 km) |
| Morristown to Philippeville | 4,267.16 mi (6,867.33 km) |
