| Petaluma to Chivasso | 5,903.06 mi (9,500.05 km) |
| Petaluma to Ciampino | 6,230.54 mi (10,027.08 km) |
| Petaluma to Cicciano | 6,333.35 mi (10,192.54 km) |
| Petaluma to Cingoli | 6,157.41 mi (9,909.39 km) |
| Petaluma to Cinisello Balsamo | 5,921.35 mi (9,529.49 km) |
| Petaluma to Cinisi | 6,454.60 mi (10,387.68 km) |
| Petaluma to Cirie | 5,892.23 mi (9,482.62 km) |
| Petaluma to Ciro Marina | 6,498.94 mi (10,459.04 km) |
| Petaluma to Cislago | 5,908.65 mi (9,509.06 km) |
| Petaluma to Cisterna di Latina | 6,249.09 mi (10,056.94 km) |
| Petaluma to Cisternino | 6,425.89 mi (10,341.47 km) |
| Petaluma to Citta di Castello | 6,125.03 mi (9,857.29 km) |
| Petaluma to Citta Sant'Angelo | 6,229.61 mi (10,025.59 km) |
| Petaluma to Cittadella | 5,986.97 mi (9,635.09 km) |
| Petaluma to Cittanova | 6,530.44 mi (10,509.73 km) |
