| Petaluma to Arcos de Valdevez | 5,529.87 mi (8,899.47 km) |
| Petaluma to Arcozelo | 5,559.08 mi (8,946.48 km) |
| Petaluma to Arganil | 5,621.19 mi (9,046.43 km) |
| Petaluma to Arouca | 5,579.81 mi (8,979.83 km) |
| Petaluma to Arruda dos Vinhos | 5,640.85 mi (9,078.07 km) |
| Petaluma to Aveiro | 5,578.70 mi (8,978.05 km) |
| Petaluma to Aver-o-Mar | 5,537.69 mi (8,912.04 km) |
| Petaluma to Aves | 5,553.65 mi (8,937.74 km) |
| Petaluma to Azambuja | 5,644.70 mi (9,084.26 km) |
| Petaluma to Baiao | 5,576.69 mi (8,974.82 km) |
| Petaluma to Barcelos | 5,538.09 mi (8,912.70 km) |
| Petaluma to Barreiro | 5,655.86 mi (9,102.22 km) |
| Petaluma to Batalha | 5,619.60 mi (9,043.87 km) |
| Petaluma to Beja | 5,732.45 mi (9,225.49 km) |
| Petaluma to Belas | 5,642.67 mi (9,081.00 km) |
