| Petaluma to Oerlinghausen | 5,549.29 mi (8,930.72 km) |
| Petaluma to Oestrich-Winkel | 5,640.53 mi (9,077.55 km) |
| Petaluma to Offenburg | 5,723.32 mi (9,210.79 km) |
| Petaluma to Oftersheim | 5,691.01 mi (9,158.79 km) |
| Petaluma to Ohrdruf | 5,665.28 mi (9,117.38 km) |
| Petaluma to Ohringen | 5,724.91 mi (9,213.36 km) |
| Petaluma to Olbernhau | 5,738.54 mi (9,235.29 km) |
| Petaluma to Olching | 5,829.16 mi (9,381.13 km) |
| Petaluma to Oldenburg | 5,472.88 mi (8,807.76 km) |
| Petaluma to Oldenburg in Holstein | 5,473.20 mi (8,808.26 km) |
| Petaluma to Olfen | 5,529.92 mi (8,899.54 km) |
| Petaluma to Olpe | 5,580.12 mi (8,980.33 km) |
| Petaluma to Olsberg | 5,578.70 mi (8,978.05 km) |
| Petaluma to Oranienburg | 5,615.95 mi (9,038.00 km) |
| Petaluma to Ortenberg | 5,648.72 mi (9,090.74 km) |
