| Healdsburg to Carmignano | 6,054.50 mi (9,743.77 km) |
| Healdsburg to Carovigno | 6,417.30 mi (10,327.64 km) |
| Healdsburg to Carpenedolo | 5,950.04 mi (9,575.67 km) |
| Healdsburg to Carpi | 5,995.65 mi (9,649.06 km) |
| Healdsburg to Carrara | 6,013.67 mi (9,678.06 km) |
| Healdsburg to Carugate | 5,908.97 mi (9,509.57 km) |
| Healdsburg to Casal di Principe | 6,303.41 mi (10,144.36 km) |
| Healdsburg to Casale Monferrato | 5,907.44 mi (9,507.10 km) |
| Healdsburg to Casale sul Sile | 5,988.26 mi (9,637.17 km) |
| Healdsburg to Casalecchio di Reno | 6,023.85 mi (9,694.45 km) |
| Healdsburg to Casalgrande | 6,002.87 mi (9,660.68 km) |
| Healdsburg to Casalmaggiore | 5,971.11 mi (9,609.57 km) |
| Healdsburg to Casalnuovo di Napoli | 6,315.27 mi (10,163.45 km) |
| Healdsburg to Casalpusterlengo | 5,938.84 mi (9,557.64 km) |
| Healdsburg to Casaluce | 6,306.24 mi (10,148.91 km) |
