| Healdsburg to Cognac | 5,609.51 mi (9,027.63 km) |
| Healdsburg to Cogolin | 5,954.73 mi (9,583.21 km) |
| Healdsburg to Colmar | 5,712.61 mi (9,193.56 km) |
| Healdsburg to Colombes | 5,521.12 mi (8,885.38 km) |
| Healdsburg to Colomiers | 5,771.68 mi (9,288.62 km) |
| Healdsburg to Combs-la-Ville | 5,543.54 mi (8,921.47 km) |
| Healdsburg to Comines | 5,446.12 mi (8,764.69 km) |
| Healdsburg to Compiegne | 5,511.92 mi (8,870.58 km) |
| Healdsburg to Concarneau | 5,383.57 mi (8,664.02 km) |
| Healdsburg to Conde-sur-l'Escaut | 5,479.06 mi (8,817.69 km) |
| Healdsburg to Conflans-Sainte-Honorine | 5,512.61 mi (8,871.69 km) |
| Healdsburg to Corbas | 5,773.67 mi (9,291.83 km) |
| Healdsburg to Corbeil-Essonnes | 5,544.20 mi (8,922.52 km) |
| Healdsburg to Cormeilles-en-Parisis | 5,516.98 mi (8,878.72 km) |
| Healdsburg to Cosne sur Loire | 5,621.01 mi (9,046.15 km) |
