| Petaluma to Cognac | 5,622.89 mi (9,049.16 km) |
| Petaluma to Cogolin | 5,969.11 mi (9,606.35 km) |
| Petaluma to Colmar | 5,728.48 mi (9,219.09 km) |
| Petaluma to Colombes | 5,536.06 mi (8,909.42 km) |
| Petaluma to Colomiers | 5,784.83 mi (9,309.79 km) |
| Petaluma to Combs-la-Ville | 5,558.48 mi (8,945.50 km) |
| Petaluma to Comines | 5,461.76 mi (8,789.85 km) |
| Petaluma to Compiegne | 5,527.13 mi (8,895.05 km) |
| Petaluma to Concarneau | 5,396.81 mi (8,685.33 km) |
| Petaluma to Conde-sur-l'Escaut | 5,494.72 mi (8,842.90 km) |
| Petaluma to Conflans-Sainte-Honorine | 5,527.54 mi (8,895.71 km) |
| Petaluma to Corbas | 5,788.30 mi (9,315.37 km) |
| Petaluma to Corbeil-Essonnes | 5,559.10 mi (8,946.50 km) |
| Petaluma to Cormeilles-en-Parisis | 5,531.92 mi (8,902.77 km) |
| Petaluma to Cosne sur Loire | 5,635.67 mi (9,069.73 km) |
