| Healdsburg to Civril | 6,844.44 mi (11,015.06 km) |
| Healdsburg to Cizre | 7,103.29 mi (11,431.65 km) |
| Healdsburg to Cobanlar | 6,838.82 mi (11,006.02 km) |
| Healdsburg to Corlu | 6,623.38 mi (10,659.30 km) |
| Healdsburg to Corum | 6,790.48 mi (10,928.22 km) |
| Healdsburg to Cukurca | 7,124.50 mi (11,465.78 km) |
| Healdsburg to Cukurcayir | 6,829.30 mi (10,990.70 km) |
| Healdsburg to Cumayeri | 6,701.30 mi (10,784.69 km) |
| Healdsburg to Cumra | 6,948.77 mi (11,182.96 km) |
| Healdsburg to Cungus | 7,008.29 mi (11,278.75 km) |
| Healdsburg to Dargecit | 7,083.60 mi (11,399.95 km) |
| Healdsburg to Davutlar | 6,830.48 mi (10,992.60 km) |
| Healdsburg to Demirozu | 6,885.18 mi (11,080.62 km) |
| Healdsburg to Demre | 6,981.54 mi (11,235.70 km) |
| Healdsburg to Denizciler | 7,067.76 mi (11,374.46 km) |
