| Richfield to Opwijk | 4,190.75 mi (6,744.36 km) |
| Richfield to Ostend | 4,135.82 mi (6,655.96 km) |
| Richfield to Oud-Heverlee | 4,213.17 mi (6,780.45 km) |
| Richfield to Oud-Turnhout | 4,204.29 mi (6,766.15 km) |
| Richfield to Oudenaarde | 4,174.99 mi (6,718.99 km) |
| Richfield to Oudenburg | 4,140.37 mi (6,663.28 km) |
| Richfield to Oupeye | 4,252.47 mi (6,843.69 km) |
| Richfield to Overijse | 4,210.56 mi (6,776.23 km) |
| Richfield to Overpelt | 4,223.44 mi (6,796.97 km) |
| Richfield to Paal | 4,222.33 mi (6,795.18 km) |
| Richfield to Peer | 4,228.20 mi (6,804.63 km) |
| Richfield to Pepinster | 4,264.45 mi (6,862.97 km) |
| Richfield to Peruwelz | 4,187.96 mi (6,739.87 km) |
| Richfield to Perwez | 4,227.01 mi (6,802.72 km) |
| Richfield to Philippeville | 4,235.23 mi (6,815.94 km) |
