| Petaluma to Cehegin | 5,960.45 mi (9,592.42 km) |
| Petaluma to Cervello | 5,921.69 mi (9,530.04 km) |
| Petaluma to Cervera | 5,884.39 mi (9,470.01 km) |
| Petaluma to Ceuti | 5,980.45 mi (9,624.60 km) |
| Petaluma to Cheste | 5,929.82 mi (9,543.12 km) |
| Petaluma to Chiclana de la Frontera | 5,878.77 mi (9,460.97 km) |
| Petaluma to Chipiona | 5,852.18 mi (9,418.18 km) |
| Petaluma to Chiva | 5,928.99 mi (9,541.78 km) |
| Petaluma to Churriana de la Vega | 5,938.92 mi (9,557.77 km) |
| Petaluma to Ciempozuelos | 5,789.57 mi (9,317.41 km) |
| Petaluma to Cieza | 5,966.89 mi (9,602.78 km) |
| Petaluma to Cisterniga | 5,678.53 mi (9,138.70 km) |
| Petaluma to Ciudad de Melilla | 6,059.68 mi (9,752.12 km) |
| Petaluma to Ciudad Real | 5,837.27 mi (9,394.18 km) |
| Petaluma to Ciudad-Rodrigo | 5,660.14 mi (9,109.11 km) |
