| Hackensack to Opwijk | 3,643.16 mi (5,863.10 km) |
| Hackensack to Ostend | 3,585.55 mi (5,770.39 km) |
| Hackensack to Oud-Heverlee | 3,666.14 mi (5,900.09 km) |
| Hackensack to Oud-Turnhout | 3,666.46 mi (5,900.59 km) |
| Hackensack to Oudenaarde | 3,622.45 mi (5,829.77 km) |
| Hackensack to Oudenburg | 3,589.85 mi (5,777.31 km) |
| Hackensack to Oupeye | 3,708.90 mi (5,968.89 km) |
| Hackensack to Overijse | 3,662.03 mi (5,893.47 km) |
| Hackensack to Overpelt | 3,686.42 mi (5,932.71 km) |
| Hackensack to Paal | 3,681.24 mi (5,924.38 km) |
| Hackensack to Peer | 3,690.08 mi (5,938.62 km) |
| Hackensack to Pepinster | 3,719.69 mi (5,986.27 km) |
| Hackensack to Peruwelz | 3,630.18 mi (5,842.21 km) |
| Hackensack to Perwez | 3,677.58 mi (5,918.50 km) |
| Hackensack to Philippeville | 3,677.88 mi (5,918.97 km) |
