| Sonoma to Cibolo (Texas) | 1,509.37 mi (2,429.10 km) |
| Sonoma to Cicero (Illinois) | 1,838.53 mi (2,958.84 km) |
| Sonoma to Cimarron Hills (Colorado) | 958.65 mi (1,542.79 km) |
| Sonoma to Cincinnati (Ohio) | 2,031.91 mi (3,270.04 km) |
| Sonoma to Cinco Ranch (Texas) | 1,632.00 mi (2,626.45 km) |
| Sonoma to Circleville (Ohio) | 2,108.68 mi (3,393.59 km) |
| Sonoma to Citrus (California) | 384.75 mi (619.19 km) |
| Sonoma to Citrus Heights (California) | 69.26 mi (111.46 km) |
| Sonoma to Citrus Park (Florida) | 2,392.15 mi (3,849.79 km) |
| Sonoma to Claiborne (Louisiana) | 1,741.42 mi (2,802.54 km) |
| Sonoma to Claremont (California) | 390.71 mi (628.79 km) |
| Sonoma to Claremont (New Hampshire) | 2,604.07 mi (4,190.84 km) |
| Sonoma to Claremore (Oklahoma) | 1,476.79 mi (2,376.67 km) |
| Sonoma to Clarksburg (Maryland) | 2,410.18 mi (3,878.80 km) |
| Sonoma to Clarksburg (West Virginia) | 2,249.59 mi (3,620.36 km) |
