| Florham Park to Opwijk | 3,662.18 mi (5,893.71 km) |
| Florham Park to Ostend | 3,604.57 mi (5,801.00 km) |
| Florham Park to Oud-Heverlee | 3,685.16 mi (5,930.69 km) |
| Florham Park to Oud-Turnhout | 3,685.41 mi (5,931.09 km) |
| Florham Park to Oudenaarde | 3,641.50 mi (5,860.42 km) |
| Florham Park to Oudenburg | 3,608.88 mi (5,807.93 km) |
| Florham Park to Oupeye | 3,727.90 mi (5,999.47 km) |
| Florham Park to Overijse | 3,681.06 mi (5,924.09 km) |
| Florham Park to Overpelt | 3,705.37 mi (5,963.21 km) |
| Florham Park to Paal | 3,700.21 mi (5,954.92 km) |
| Florham Park to Peer | 3,709.04 mi (5,969.13 km) |
| Florham Park to Pepinster | 3,738.70 mi (6,016.86 km) |
| Florham Park to Peruwelz | 3,649.26 mi (5,872.92 km) |
| Florham Park to Perwez | 3,696.62 mi (5,949.13 km) |
| Florham Park to Philippeville | 3,696.97 mi (5,949.70 km) |
