| Petaluma to Octeville | 5,382.16 mi (8,661.75 km) |
| Petaluma to Oignies | 5,476.68 mi (8,813.86 km) |
| Petaluma to Oissel | 5,479.72 mi (8,818.76 km) |
| Petaluma to Olivet | 5,580.84 mi (8,981.49 km) |
| Petaluma to Ollioules | 5,954.18 mi (9,582.32 km) |
| Petaluma to Olonne-sur-Mer | 5,533.34 mi (8,905.04 km) |
| Petaluma to Oloron-Sainte-Marie | 5,741.85 mi (9,240.61 km) |
| Petaluma to Onet Village | 5,786.02 mi (9,311.70 km) |
| Petaluma to Onnaing | 5,498.18 mi (8,848.47 km) |
| Petaluma to Orange | 5,867.88 mi (9,443.44 km) |
| Petaluma to Orchies | 5,483.54 mi (8,824.90 km) |
| Petaluma to Orleans | 5,579.08 mi (8,978.66 km) |
| Petaluma to Orly | 5,549.63 mi (8,931.27 km) |
| Petaluma to Ormesson-sur-Marne | 5,551.76 mi (8,934.69 km) |
| Petaluma to Orsay | 5,545.92 mi (8,925.29 km) |
