| Duarte to Castle Pines (Colorado) | 809.85 mi (1,303.32 km) |
| Duarte to Castle Rock (Colorado) | 808.40 mi (1,300.99 km) |
| Duarte to Castro Valley (California) | 336.10 mi (540.89 km) |
| Duarte to Catalina Foothills (Arizona) | 427.96 mi (688.73 km) |
| Duarte to Cataño (Puerto Rico) | 3,349.19 mi (5,390.00 km) |
| Duarte to Cathedral City (California) | 88.04 mi (141.69 km) |
| Duarte to Catonsville (Maryland) | 2,289.58 mi (3,684.72 km) |
| Duarte to Cave Spring (Virginia) | 2,125.47 mi (3,420.61 km) |
| Duarte to Cayce (South Carolina) | 2,101.05 mi (3,381.31 km) |
| Duarte to Cayey (Puerto Rico) | 3,359.19 mi (5,406.10 km) |
| Duarte to Cedar City (Utah) | 364.61 mi (586.79 km) |
| Duarte to Cedar Falls (Iowa) | 1,490.21 mi (2,398.26 km) |
| Duarte to Cedar Hill (Texas) | 1,213.99 mi (1,953.74 km) |
| Duarte to Cedar Lake (Indiana) | 1,729.21 mi (2,782.90 km) |
| Duarte to Cedar Mill (Oregon) | 826.53 mi (1,330.17 km) |
