| Ballwin to Opwijk | 4,397.37 mi (7,076.89 km) |
| Ballwin to Ostend | 4,340.76 mi (6,985.78 km) |
| Ballwin to Oud-Heverlee | 4,420.23 mi (7,113.67 km) |
| Ballwin to Oud-Turnhout | 4,415.45 mi (7,105.97 km) |
| Ballwin to Oudenaarde | 4,379.21 mi (7,047.66 km) |
| Ballwin to Oudenburg | 4,345.23 mi (6,992.97 km) |
| Ballwin to Oupeye | 4,461.42 mi (7,179.96 km) |
| Ballwin to Overijse | 4,416.91 mi (7,108.33 km) |
| Ballwin to Overpelt | 4,435.12 mi (7,137.63 km) |
| Ballwin to Paal | 4,432.16 mi (7,132.87 km) |
| Ballwin to Peer | 4,439.42 mi (7,144.56 km) |
| Ballwin to Pepinster | 4,472.96 mi (7,198.53 km) |
| Ballwin to Peruwelz | 4,389.87 mi (7,064.82 km) |
| Ballwin to Perwez | 4,433.09 mi (7,134.36 km) |
| Ballwin to Philippeville | 4,437.73 mi (7,141.83 km) |
