| Riverton to Opwijk | 5,038.38 mi (8,108.48 km) |
| Riverton to Ostend | 4,986.50 mi (8,024.99 km) |
| Riverton to Oud-Heverlee | 5,059.85 mi (8,143.03 km) |
| Riverton to Oud-Turnhout | 5,046.04 mi (8,120.82 km) |
| Riverton to Oudenaarde | 5,025.81 mi (8,088.26 km) |
| Riverton to Oudenburg | 4,991.05 mi (8,032.32 km) |
| Riverton to Oupeye | 5,096.07 mi (8,201.34 km) |
| Riverton to Overijse | 5,058.14 mi (8,140.29 km) |
| Riverton to Overpelt | 5,064.17 mi (8,150.00 km) |
| Riverton to Paal | 5,065.40 mi (8,151.97 km) |
| Riverton to Peer | 5,069.41 mi (8,158.43 km) |
| Riverton to Pepinster | 5,108.38 mi (8,221.15 km) |
| Riverton to Peruwelz | 5,041.32 mi (8,113.22 km) |
| Riverton to Perwez | 5,074.64 mi (8,166.84 km) |
| Riverton to Philippeville | 5,087.05 mi (8,186.81 km) |
