| Horbury to Octeville | 278.65 mi (448.44 km) |
| Horbury to Oignies | 293.05 mi (471.61 km) |
| Horbury to Oissel | 319.26 mi (513.80 km) |
| Horbury to Olivet | 427.87 mi (688.58 km) |
| Horbury to Ollioules | 801.27 mi (1,289.52 km) |
| Horbury to Olonne-sur-Mer | 492.27 mi (792.24 km) |
| Horbury to Oloron-Sainte-Marie | 724.37 mi (1,165.77 km) |
| Horbury to Onet Village | 668.83 mi (1,076.37 km) |
| Horbury to Onnaing | 314.69 mi (506.45 km) |
| Horbury to Orange | 717.90 mi (1,155.35 km) |
| Horbury to Orchies | 299.87 mi (482.59 km) |
| Horbury to Orleans | 425.48 mi (684.74 km) |
| Horbury to Orly | 380.10 mi (611.72 km) |
| Horbury to Ormesson-sur-Marne | 380.37 mi (612.14 km) |
| Horbury to Orsay | 379.09 mi (610.09 km) |
