| Healdsburg to Campo de Criptana | 5,835.27 mi (9,390.96 km) |
| Healdsburg to Campos del Puerto | 6,049.19 mi (9,735.22 km) |
| Healdsburg to Canals | 5,948.83 mi (9,573.71 km) |
| Healdsburg to Candelaria | 5,816.93 mi (9,361.45 km) |
| Healdsburg to Canet de Mar | 5,919.39 mi (9,526.34 km) |
| Healdsburg to Cangas | 5,486.38 mi (8,829.47 km) |
| Healdsburg to Cangas de Narcea | 5,524.58 mi (8,890.96 km) |
| Healdsburg to Canovellas | 5,908.03 mi (9,508.05 km) |
| Healdsburg to Canteras | 6,002.05 mi (9,659.37 km) |
| Healdsburg to Cantillana | 5,824.41 mi (9,373.48 km) |
| Healdsburg to Capdepera | 6,048.69 mi (9,734.43 km) |
| Healdsburg to Carballo | 5,444.76 mi (8,762.49 km) |
| Healdsburg to Carcagente | 5,945.31 mi (9,568.05 km) |
| Healdsburg to Cardedeu | 5,909.39 mi (9,510.24 km) |
| Healdsburg to Carlet | 5,937.35 mi (9,555.25 km) |
