| Petaluma to Arcata (California) | 196.74 mi (316.62 km) |
| Petaluma to Archdale (North Carolina) | 2,336.89 mi (3,760.85 km) |
| Petaluma to Arden-Arcade (California) | 71.67 mi (115.35 km) |
| Petaluma to Ardmore (Oklahoma) | 1,443.90 mi (2,323.74 km) |
| Petaluma to Ardmore (Pennsylvania) | 2,509.91 mi (4,039.31 km) |
| Petaluma to Arecibo (Puerto Rico) | 3,602.64 mi (5,797.88 km) |
| Petaluma to Arkadelphia (Arkansas) | 1,665.20 mi (2,679.88 km) |
| Petaluma to Arkansas City (Kansas) | 1,397.54 mi (2,249.12 km) |
| Petaluma to Arlington (Tennessee) | 1,826.53 mi (2,939.52 km) |
| Petaluma to Arlington (Texas) | 1,479.93 mi (2,381.71 km) |
| Petaluma to Arlington (Virginia) | 2,433.94 mi (3,917.04 km) |
| Petaluma to Arlington (Washington) | 686.37 mi (1,104.61 km) |
| Petaluma to Arlington Heights (Illinois) | 1,835.61 mi (2,954.13 km) |
| Petaluma to Arnold (Maryland) | 2,462.75 mi (3,963.41 km) |
| Petaluma to Arnold (Missouri) | 1,739.00 mi (2,798.65 km) |
