| Petaluma to Cabestany | 5,886.41 mi (9,473.27 km) |
| Petaluma to Cabries | 5,923.27 mi (9,532.58 km) |
| Petaluma to Cachan | 5,545.31 mi (8,924.32 km) |
| Petaluma to Caen | 5,443.80 mi (8,760.95 km) |
| Petaluma to Cagnes-sur-Mer | 5,965.36 mi (9,600.32 km) |
| Petaluma to Cahors | 5,744.71 mi (9,245.22 km) |
| Petaluma to Calais | 5,419.08 mi (8,721.16 km) |
| Petaluma to Caluire-et-Cuire | 5,779.80 mi (9,301.69 km) |
| Petaluma to Cambrai | 5,498.99 mi (8,849.76 km) |
| Petaluma to Canet-en-Roussillon | 5,887.18 mi (9,474.51 km) |
| Petaluma to Cannes | 5,967.46 mi (9,603.69 km) |
| Petaluma to Canteleu | 5,472.44 mi (8,807.04 km) |
| Petaluma to Capbreton | 5,691.07 mi (9,158.89 km) |
| Petaluma to Carcassonne | 5,839.12 mi (9,397.16 km) |
| Petaluma to Carmaux | 5,788.73 mi (9,316.06 km) |
