| Riverdale to Opwijk | 4,404.49 mi (7,088.34 km) |
| Riverdale to Ostend | 4,346.89 mi (6,995.64 km) |
| Riverdale to Oud-Heverlee | 4,427.47 mi (7,125.33 km) |
| Riverdale to Oud-Turnhout | 4,427.63 mi (7,125.58 km) |
| Riverdale to Oudenaarde | 4,383.83 mi (7,055.08 km) |
| Riverdale to Oudenburg | 4,351.20 mi (7,002.57 km) |
| Riverdale to Oupeye | 4,470.20 mi (7,194.09 km) |
| Riverdale to Overijse | 4,423.38 mi (7,118.74 km) |
| Riverdale to Overpelt | 4,447.58 mi (7,157.70 km) |
| Riverdale to Paal | 4,442.48 mi (7,149.49 km) |
| Riverdale to Peer | 4,451.28 mi (7,163.64 km) |
| Riverdale to Pepinster | 4,481.01 mi (7,211.50 km) |
| Riverdale to Peruwelz | 4,391.58 mi (7,067.57 km) |
| Riverdale to Perwez | 4,438.94 mi (7,143.79 km) |
| Riverdale to Philippeville | 4,439.28 mi (7,144.33 km) |
