| Leon Valley to Octeville | 4,984.50 mi (8,021.78 km) |
| Leon Valley to Oignies | 5,143.21 mi (8,277.19 km) |
| Leon Valley to Oissel | 5,103.59 mi (8,213.43 km) |
| Leon Valley to Olivet | 5,183.13 mi (8,341.45 km) |
| Leon Valley to Ollioules | 5,509.74 mi (8,867.08 km) |
| Leon Valley to Olonne-sur-Mer | 5,070.04 mi (8,159.44 km) |
| Leon Valley to Oloron-Sainte-Marie | 5,223.79 mi (8,406.88 km) |
| Leon Valley to Onet Village | 5,326.78 mi (8,572.63 km) |
| Leon Valley to Onnaing | 5,169.34 mi (8,319.25 km) |
| Leon Valley to Orange | 5,429.93 mi (8,738.63 km) |
| Leon Valley to Orchies | 5,152.77 mi (8,292.59 km) |
| Leon Valley to Orleans | 5,182.24 mi (8,340.01 km) |
| Leon Valley to Orly | 5,174.90 mi (8,328.20 km) |
| Leon Valley to Ormesson-sur-Marne | 5,179.41 mi (8,335.46 km) |
| Leon Valley to Orsay | 5,168.09 mi (8,317.23 km) |
