| Leavenworth to Opwijk | 4,523.68 mi (7,280.17 km) |
| Leavenworth to Ostend | 4,467.80 mi (7,190.23 km) |
| Leavenworth to Oud-Heverlee | 4,546.37 mi (7,316.67 km) |
| Leavenworth to Oud-Turnhout | 4,539.54 mi (7,305.68 km) |
| Leavenworth to Oudenaarde | 4,506.67 mi (7,252.79 km) |
| Leavenworth to Oudenburg | 4,472.32 mi (7,197.50 km) |
| Leavenworth to Oupeye | 4,586.69 mi (7,381.56 km) |
| Leavenworth to Overijse | 4,543.39 mi (7,311.87 km) |
| Leavenworth to Overpelt | 4,558.98 mi (7,336.97 km) |
| Leavenworth to Paal | 4,556.94 mi (7,333.69 km) |
| Leavenworth to Peer | 4,563.52 mi (7,344.28 km) |
| Leavenworth to Pepinster | 4,598.46 mi (7,400.51 km) |
| Leavenworth to Peruwelz | 4,518.48 mi (7,271.79 km) |
| Leavenworth to Perwez | 4,559.73 mi (7,338.17 km) |
| Leavenworth to Philippeville | 4,566.13 mi (7,348.47 km) |
