| Milton Keynes to Opwijk | 225.11 mi (362.28 km) |
| Milton Keynes to Ostend | 167.50 mi (269.57 km) |
| Milton Keynes to Oud-Heverlee | 248.09 mi (399.26 km) |
| Milton Keynes to Oud-Turnhout | 251.01 mi (403.97 km) |
| Milton Keynes to Oudenaarde | 204.93 mi (329.80 km) |
| Milton Keynes to Oudenburg | 171.82 mi (276.52 km) |
| Milton Keynes to Oupeye | 290.98 mi (468.28 km) |
| Milton Keynes to Overijse | 244.01 mi (392.70 km) |
| Milton Keynes to Overpelt | 270.87 mi (435.92 km) |
| Milton Keynes to Paal | 264.08 mi (425.00 km) |
| Milton Keynes to Peer | 273.92 mi (440.83 km) |
| Milton Keynes to Pepinster | 301.65 mi (485.46 km) |
| Milton Keynes to Peruwelz | 215.16 mi (346.27 km) |
| Milton Keynes to Perwez | 259.71 mi (417.96 km) |
| Milton Keynes to Philippeville | 262.96 mi (423.19 km) |
