| Sonoma to Castle Pines (Colorado) | 948.06 mi (1,525.75 km) |
| Sonoma to Castle Rock (Colorado) | 949.06 mi (1,527.37 km) |
| Sonoma to Castro Valley (California) | 45.62 mi (73.42 km) |
| Sonoma to Catalina Foothills (Arizona) | 771.82 mi (1,242.13 km) |
| Sonoma to Cataño (Puerto Rico) | 3,626.52 mi (5,836.32 km) |
| Sonoma to Cathedral City (California) | 454.60 mi (731.61 km) |
| Sonoma to Catonsville (Maryland) | 2,436.81 mi (3,921.67 km) |
| Sonoma to Cave Spring (Virginia) | 2,299.55 mi (3,700.76 km) |
| Sonoma to Cayce (South Carolina) | 2,311.69 mi (3,720.31 km) |
| Sonoma to Cayey (Puerto Rico) | 3,638.17 mi (5,855.07 km) |
| Sonoma to Cedar City (Utah) | 511.44 mi (823.08 km) |
| Sonoma to Cedar Falls (Iowa) | 1,596.86 mi (2,569.90 km) |
| Sonoma to Cedar Hill (Texas) | 1,483.43 mi (2,387.36 km) |
| Sonoma to Cedar Lake (Indiana) | 1,857.63 mi (2,989.57 km) |
| Sonoma to Cedar Mill (Oregon) | 500.91 mi (806.13 km) |
