| Luton to Octeville | 164.56 mi (264.83 km) |
| Luton to Oignies | 176.83 mi (284.57 km) |
| Luton to Oissel | 187.27 mi (301.38 km) |
| Luton to Olivet | 295.87 mi (476.16 km) |
| Luton to Ollioules | 670.20 mi (1,078.59 km) |
| Luton to Olonne-sur-Mer | 374.15 mi (602.13 km) |
| Luton to Oloron-Sainte-Marie | 600.08 mi (965.73 km) |
| Luton to Onet Village | 537.18 mi (864.50 km) |
| Luton to Onnaing | 202.14 mi (325.31 km) |
| Luton to Orange | 586.41 mi (943.73 km) |
| Luton to Orchies | 185.77 mi (298.97 km) |
| Luton to Orleans | 293.49 mi (472.33 km) |
| Luton to Orly | 249.45 mi (401.45 km) |
| Luton to Ormesson-sur-Marne | 250.19 mi (402.64 km) |
| Luton to Orsay | 247.91 mi (398.97 km) |
