| North Hykeham to Opwijk | 253.88 mi (408.59 km) |
| North Hykeham to Ostend | 200.81 mi (323.18 km) |
| North Hykeham to Oud-Heverlee | 276.11 mi (444.35 km) |
| North Hykeham to Oud-Turnhout | 268.52 mi (432.15 km) |
| North Hykeham to Oudenaarde | 240.13 mi (386.45 km) |
| North Hykeham to Oudenburg | 205.36 mi (330.50 km) |
| North Hykeham to Oupeye | 315.52 mi (507.77 km) |
| North Hykeham to Overijse | 273.72 mi (440.51 km) |
| North Hykeham to Overpelt | 288.16 mi (463.76 km) |
| North Hykeham to Paal | 285.69 mi (459.77 km) |
| North Hykeham to Peer | 292.51 mi (470.75 km) |
| North Hykeham to Pepinster | 327.40 mi (526.90 km) |
| North Hykeham to Peruwelz | 256.11 mi (412.17 km) |
| North Hykeham to Perwez | 290.23 mi (467.07 km) |
| North Hykeham to Philippeville | 301.37 mi (485.01 km) |
