| Trenton to Opwijk | 3,701.49 mi (5,956.97 km) |
| Trenton to Ostend | 3,643.87 mi (5,864.24 km) |
| Trenton to Oud-Heverlee | 3,724.47 mi (5,993.95 km) |
| Trenton to Oud-Turnhout | 3,724.90 mi (5,994.65 km) |
| Trenton to Oudenaarde | 3,680.72 mi (5,923.54 km) |
| Trenton to Oudenburg | 3,648.16 mi (5,871.15 km) |
| Trenton to Oupeye | 3,767.25 mi (6,062.80 km) |
| Trenton to Overijse | 3,720.33 mi (5,987.30 km) |
| Trenton to Overpelt | 3,744.87 mi (6,026.78 km) |
| Trenton to Paal | 3,739.63 mi (6,018.36 km) |
| Trenton to Peer | 3,748.52 mi (6,032.66 km) |
| Trenton to Pepinster | 3,778.02 mi (6,080.14 km) |
| Trenton to Peruwelz | 3,688.36 mi (5,935.84 km) |
| Trenton to Perwez | 3,735.87 mi (6,012.30 km) |
| Trenton to Philippeville | 3,736.04 mi (6,012.58 km) |
