| Milton Keynes to Octeville | 171.12 mi (275.39 km) |
| Milton Keynes to Oignies | 195.22 mi (314.18 km) |
| Milton Keynes to Oissel | 203.26 mi (327.11 km) |
| Milton Keynes to Olivet | 311.79 mi (501.78 km) |
| Milton Keynes to Ollioules | 687.05 mi (1,105.71 km) |
| Milton Keynes to Olonne-sur-Mer | 383.00 mi (616.38 km) |
| Milton Keynes to Oloron-Sainte-Marie | 611.23 mi (983.67 km) |
| Milton Keynes to Onet Village | 552.12 mi (888.56 km) |
| Milton Keynes to Onnaing | 220.42 mi (354.74 km) |
| Milton Keynes to Orange | 603.01 mi (970.45 km) |
| Milton Keynes to Orchies | 204.10 mi (328.47 km) |
| Milton Keynes to Orleans | 309.45 mi (498.01 km) |
| Milton Keynes to Orly | 266.68 mi (429.19 km) |
| Milton Keynes to Ormesson-sur-Marne | 267.60 mi (430.66 km) |
| Milton Keynes to Orsay | 264.88 mi (426.28 km) |
