| Lanham to Opwijk | 3,842.23 mi (6,183.48 km) |
| Lanham to Ostend | 3,784.62 mi (6,090.75 km) |
| Lanham to Oud-Heverlee | 3,865.21 mi (6,220.46 km) |
| Lanham to Oud-Turnhout | 3,865.58 mi (6,221.05 km) |
| Lanham to Oudenaarde | 3,821.49 mi (6,150.09 km) |
| Lanham to Oudenburg | 3,788.91 mi (6,097.67 km) |
| Lanham to Oupeye | 3,907.98 mi (6,289.29 km) |
| Lanham to Overijse | 3,861.09 mi (6,213.82 km) |
| Lanham to Overpelt | 3,885.54 mi (6,253.18 km) |
| Lanham to Paal | 3,880.34 mi (6,244.81 km) |
| Lanham to Peer | 3,889.20 mi (6,259.07 km) |
| Lanham to Pepinster | 3,918.76 mi (6,306.64 km) |
| Lanham to Peruwelz | 3,829.16 mi (6,162.43 km) |
| Lanham to Perwez | 3,876.63 mi (6,238.83 km) |
| Lanham to Philippeville | 3,876.85 mi (6,239.18 km) |
