| Healdsburg to Cordele (Georgia) | 2,235.00 mi (3,596.89 km) |
| Healdsburg to Corinth (Mississippi) | 1,906.51 mi (3,068.24 km) |
| Healdsburg to Corinth (Texas) | 1,487.44 mi (2,393.80 km) |
| Healdsburg to Cornelius (North Carolina) | 2,305.32 mi (3,710.06 km) |
| Healdsburg to Cornelius (Oregon) | 476.59 mi (767.00 km) |
| Healdsburg to Corning (New York) | 2,394.20 mi (3,853.09 km) |
| Healdsburg to Corona (California) | 441.91 mi (711.18 km) |
| Healdsburg to Coronado (California) | 521.32 mi (838.98 km) |
| Healdsburg to Corpus Christi (Texas) | 1,647.37 mi (2,651.18 km) |
| Healdsburg to Corsicana (Texas) | 1,548.53 mi (2,492.13 km) |
| Healdsburg to Cortland (New York) | 2,433.05 mi (3,915.61 km) |
| Healdsburg to Corvallis (Oregon) | 411.48 mi (662.21 km) |
| Healdsburg to Coshocton (Ohio) | 2,171.94 mi (3,495.39 km) |
| Healdsburg to Costa Mesa (California) | 439.81 mi (707.80 km) |
| Healdsburg to Coto de Caza (California) | 455.29 mi (732.71 km) |
