| Healdsburg to Campodarsego | 5,982.86 mi (9,628.48 km) |
| Healdsburg to Campogalliano | 6,000.42 mi (9,656.74 km) |
| Healdsburg to Campolongo Maggiore | 5,996.03 mi (9,649.67 km) |
| Healdsburg to Camponogara | 5,993.60 mi (9,645.77 km) |
| Healdsburg to Camposampiero | 5,979.47 mi (9,623.03 km) |
| Healdsburg to Canegrate | 5,896.76 mi (9,489.92 km) |
| Healdsburg to Canelli | 5,925.75 mi (9,536.57 km) |
| Healdsburg to Canicatti | 6,508.37 mi (10,474.21 km) |
| Healdsburg to Canosa di Puglia | 6,344.30 mi (10,210.16 km) |
| Healdsburg to Cantu | 5,893.05 mi (9,483.95 km) |
| Healdsburg to Caorle | 6,002.85 mi (9,660.65 km) |
| Healdsburg to Capaci | 6,443.66 mi (10,370.07 km) |
| Healdsburg to Capannori | 6,039.91 mi (9,720.30 km) |
| Healdsburg to Capena | 6,193.59 mi (9,967.62 km) |
| Healdsburg to Capo d'Orlando | 6,488.26 mi (10,441.85 km) |
