| Richardson to Opwijk | 4,916.78 mi (7,912.80 km) |
| Richardson to Ostend | 4,860.14 mi (7,821.64 km) |
| Richardson to Oud-Heverlee | 4,939.65 mi (7,949.59 km) |
| Richardson to Oud-Turnhout | 4,934.92 mi (7,941.99 km) |
| Richardson to Oudenaarde | 4,898.57 mi (7,883.49 km) |
| Richardson to Oudenburg | 4,864.61 mi (7,828.84 km) |
| Richardson to Oupeye | 4,980.87 mi (8,015.93 km) |
| Richardson to Overijse | 4,936.31 mi (7,944.23 km) |
| Richardson to Overpelt | 4,954.60 mi (7,973.65 km) |
| Richardson to Paal | 4,951.62 mi (7,968.86 km) |
| Richardson to Peer | 4,958.90 mi (7,980.58 km) |
| Richardson to Pepinster | 4,992.40 mi (8,034.49 km) |
| Richardson to Peruwelz | 4,909.16 mi (7,900.53 km) |
| Richardson to Perwez | 4,952.48 mi (7,970.25 km) |
| Richardson to Philippeville | 4,957.02 mi (7,977.55 km) |
