| Heckmondwike to Octeville | 281.98 mi (453.80 km) |
| Heckmondwike to Oignies | 298.67 mi (480.65 km) |
| Heckmondwike to Oissel | 324.12 mi (521.62 km) |
| Heckmondwike to Olivet | 432.73 mi (696.40 km) |
| Heckmondwike to Ollioules | 806.41 mi (1,297.79 km) |
| Heckmondwike to Olonne-sur-Mer | 495.55 mi (797.51 km) |
| Heckmondwike to Oloron-Sainte-Marie | 728.04 mi (1,171.67 km) |
| Heckmondwike to Onet Village | 673.45 mi (1,083.82 km) |
| Heckmondwike to Onnaing | 320.36 mi (515.57 km) |
| Heckmondwike to Orange | 722.96 mi (1,163.50 km) |
| Heckmondwike to Orchies | 305.52 mi (491.68 km) |
| Heckmondwike to Orleans | 430.35 mi (692.58 km) |
| Heckmondwike to Orly | 385.26 mi (620.02 km) |
| Heckmondwike to Ormesson-sur-Marne | 385.57 mi (620.52 km) |
| Heckmondwike to Orsay | 384.19 mi (618.29 km) |