| Petaluma to Nuth | 5,533.41 mi (8,905.16 km) |
| Petaluma to Oegstgeest | 5,427.12 mi (8,734.11 km) |
| Petaluma to Oirschot | 5,486.18 mi (8,829.16 km) |
| Petaluma to Oisterwijk | 5,479.01 mi (8,817.61 km) |
| Petaluma to Oldebroek | 5,451.16 mi (8,772.79 km) |
| Petaluma to Oldenzaal | 5,485.44 mi (8,827.96 km) |
| Petaluma to Ommen | 5,461.11 mi (8,788.82 km) |
| Petaluma to Oosterend | 5,425.68 mi (8,731.79 km) |
| Petaluma to Oosterhout | 5,466.49 mi (8,797.46 km) |
| Petaluma to Oosterwolde | 5,432.24 mi (8,742.35 km) |
| Petaluma to Oostzaan | 5,425.03 mi (8,730.75 km) |
| Petaluma to Opmeer | 5,412.59 mi (8,710.72 km) |
| Petaluma to Oss | 5,477.71 mi (8,815.53 km) |
| Petaluma to Oud-Beijerland | 5,444.79 mi (8,762.54 km) |
| Petaluma to Oudenbosch | 5,460.27 mi (8,787.46 km) |
