| Forest Hills to Opwijk | 3,997.81 mi (6,433.85 km) |
| Forest Hills to Ostend | 3,941.31 mi (6,342.93 km) |
| Forest Hills to Oud-Heverlee | 4,020.64 mi (6,470.60 km) |
| Forest Hills to Oud-Turnhout | 4,015.52 mi (6,462.36 km) |
| Forest Hills to Oudenaarde | 3,979.85 mi (6,404.95 km) |
| Forest Hills to Oudenburg | 3,945.79 mi (6,350.14 km) |
| Forest Hills to Oupeye | 4,061.69 mi (6,536.66 km) |
| Forest Hills to Overijse | 4,017.38 mi (6,465.34 km) |
| Forest Hills to Overpelt | 4,035.17 mi (6,493.97 km) |
| Forest Hills to Paal | 4,032.35 mi (6,489.44 km) |
| Forest Hills to Peer | 4,039.51 mi (6,500.96 km) |
| Forest Hills to Pepinster | 4,073.27 mi (6,555.30 km) |
| Forest Hills to Peruwelz | 3,990.74 mi (6,422.47 km) |
| Forest Hills to Perwez | 4,033.59 mi (6,491.43 km) |
| Forest Hills to Philippeville | 4,038.56 mi (6,499.44 km) |
