| Petaluma to Bicaz | 6,244.10 mi (10,048.90 km) |
| Petaluma to Bistrita | 6,198.87 mi (9,976.11 km) |
| Petaluma to Blaj | 6,246.70 mi (10,053.10 km) |
| Petaluma to Bocsa | 6,248.90 mi (10,056.64 km) |
| Petaluma to Boldesti-Scaeni | 6,361.52 mi (10,237.88 km) |
| Petaluma to Bolintin Vale | 6,392.75 mi (10,288.13 km) |
| Petaluma to Borsa | 6,169.47 mi (9,928.80 km) |
| Petaluma to Botosani | 6,202.11 mi (9,981.33 km) |
| Petaluma to Brad | 6,225.90 mi (10,019.62 km) |
| Petaluma to Bragadiru | 6,401.98 mi (10,302.99 km) |
| Petaluma to Braila | 6,383.69 mi (10,273.56 km) |
| Petaluma to Brasov | 6,313.17 mi (10,160.07 km) |
| Petaluma to Breaza | 6,344.25 mi (10,210.09 km) |
| Petaluma to Bucharest | 6,400.69 mi (10,300.91 km) |
| Petaluma to Buftea | 6,388.92 mi (10,281.97 km) |
