| Three Lakes to Opwijk | 4,633.52 mi (7,456.93 km) |
| Three Lakes to Ostend | 4,576.11 mi (7,364.54 km) |
| Three Lakes to Oud-Heverlee | 4,656.13 mi (7,493.32 km) |
| Three Lakes to Oud-Turnhout | 4,661.78 mi (7,502.41 km) |
| Three Lakes to Oudenaarde | 4,610.52 mi (7,419.91 km) |
| Three Lakes to Oudenburg | 4,580.13 mi (7,371.01 km) |
| Three Lakes to Oupeye | 4,699.63 mi (7,563.32 km) |
| Three Lakes to Overijse | 4,651.26 mi (7,485.48 km) |
| Three Lakes to Overpelt | 4,681.61 mi (7,534.33 km) |
| Three Lakes to Paal | 4,674.24 mi (7,522.46 km) |
| Three Lakes to Peer | 4,684.55 mi (7,539.05 km) |
| Three Lakes to Pepinster | 4,709.40 mi (7,579.05 km) |
| Three Lakes to Peruwelz | 4,614.85 mi (7,426.88 km) |
| Three Lakes to Perwez | 4,665.80 mi (7,508.88 km) |
| Three Lakes to Philippeville | 4,661.31 mi (7,501.66 km) |
