| Happy Valley to Octeville | 4,972.29 mi (8,002.13 km) |
| Happy Valley to Oignies | 5,053.05 mi (8,132.09 km) |
| Happy Valley to Oissel | 5,064.05 mi (8,149.79 km) |
| Happy Valley to Olivet | 5,167.72 mi (8,316.64 km) |
| Happy Valley to Ollioules | 5,544.40 mi (8,922.84 km) |
| Happy Valley to Olonne-sur-Mer | 5,134.39 mi (8,263.00 km) |
| Happy Valley to Oloron-Sainte-Marie | 5,351.17 mi (8,611.87 km) |
| Happy Valley to Onet Village | 5,381.96 mi (8,661.43 km) |
| Happy Valley to Onnaing | 5,073.38 mi (8,164.82 km) |
| Happy Valley to Orange | 5,458.16 mi (8,784.06 km) |
| Happy Valley to Orchies | 5,059.31 mi (8,142.17 km) |
| Happy Valley to Orleans | 5,165.82 mi (8,313.58 km) |
| Happy Valley to Orly | 5,132.58 mi (8,260.08 km) |
| Happy Valley to Ormesson-sur-Marne | 5,134.21 mi (8,262.72 km) |
| Happy Valley to Orsay | 5,129.51 mi (8,255.15 km) |
