| Cities | Distance |
|---|---|
| Derry to Octeville | 441.66 mi (710.78 km) |
| Derry to Oignies | 532.65 mi (857.22 km) |
| Derry to Oissel | 528.53 mi (850.59 km) |
| Derry to Olivet | 632.21 mi (1,017.44 km) |
| Derry to Ollioules | 1,009.87 mi (1,625.22 km) |
| Derry to Olonne-sur-Mer | 632.40 mi (1,017.75 km) |
| Derry to Oloron-Sainte-Marie | 869.24 mi (1,398.91 km) |
| Derry to Onet Village | 856.23 mi (1,377.97 km) |
| Derry to Onnaing | 556.77 mi (896.03 km) |
| Derry to Orange | 923.94 mi (1,486.94 km) |
| Derry to Orchies | 540.90 mi (870.50 km) |
| Derry to Orleans | 630.26 mi (1,014.31 km) |
| Derry to Orly | 597.97 mi (962.34 km) |
| Derry to Ormesson-sur-Marne | 600.06 mi (965.71 km) |
| Derry to Orsay | 594.42 mi (956.62 km) |