| Healdsburg to Cervignano del Friuli | 6,001.76 mi (9,658.91 km) |
| Healdsburg to Cesa | 6,309.11 mi (10,153.53 km) |
| Healdsburg to Cesano Maderno | 5,899.16 mi (9,493.78 km) |
| Healdsburg to Cesena | 6,070.06 mi (9,768.82 km) |
| Healdsburg to Cesenatico | 6,070.64 mi (9,769.75 km) |
| Healdsburg to Cetraro | 6,442.86 mi (10,368.78 km) |
| Healdsburg to Cherasco | 5,917.30 mi (9,522.98 km) |
| Healdsburg to Chiampo | 5,962.86 mi (9,596.30 km) |
| Healdsburg to Chiaravalle | 6,130.88 mi (9,866.70 km) |
| Healdsburg to Chiari | 5,926.06 mi (9,537.08 km) |
| Healdsburg to Chiavari | 5,978.37 mi (9,621.26 km) |
| Healdsburg to Chieri | 5,895.79 mi (9,488.36 km) |
| Healdsburg to Chieti | 6,226.37 mi (10,020.37 km) |
| Healdsburg to Chioggia | 6,008.73 mi (9,670.11 km) |
| Healdsburg to Chiusi | 6,126.51 mi (9,859.67 km) |
