| Diamond Bar to Chicago Ridge (Illinois) | 1,712.83 mi (2,756.53 km) |
| Diamond Bar to Chickasha (Oklahoma) | 1,131.50 mi (1,820.98 km) |
| Diamond Bar to Chico (California) | 455.04 mi (732.32 km) |
| Diamond Bar to Chicopee (Massachusetts) | 2,494.02 mi (4,013.74 km) |
| Diamond Bar to Chillicothe (Ohio) | 1,952.30 mi (3,141.93 km) |
| Diamond Bar to Chillum (Maryland) | 2,275.26 mi (3,661.68 km) |
| Diamond Bar to Chino (California) | 8.70 mi (14.00 km) |
| Diamond Bar to Chino Hills (California) | 6.18 mi (9.95 km) |
| Diamond Bar to Chino Valley (Arizona) | 312.57 mi (503.03 km) |
| Diamond Bar to Chippewa Falls (Wisconsin) | 1,589.04 mi (2,557.32 km) |
| Diamond Bar to Choctaw (Oklahoma) | 1,169.11 mi (1,881.50 km) |
| Diamond Bar to Chowchilla (California) | 254.28 mi (409.22 km) |
| Diamond Bar to Christiansburg (Virginia) | 2,100.21 mi (3,379.96 km) |
| Diamond Bar to Chubbuck (Idaho) | 681.05 mi (1,096.04 km) |
| Diamond Bar to Chula Vista (California) | 105.44 mi (169.68 km) |
