| Darby to Cibolo (Texas) | 1,480.29 mi (2,382.29 km) |
| Darby to Cicero (Illinois) | 665.63 mi (1,071.23 km) |
| Darby to Cimarron Hills (Colorado) | 1,566.54 mi (2,521.11 km) |
| Darby to Cincinnati (Ohio) | 495.38 mi (797.23 km) |
| Darby to Cinco Ranch (Texas) | 1,353.93 mi (2,178.94 km) |
| Darby to Circleville (Ohio) | 407.94 mi (656.52 km) |
| Darby to Citrus (California) | 2,362.87 mi (3,802.68 km) |
| Darby to Citrus Heights (California) | 2,434.47 mi (3,917.91 km) |
| Darby to Citrus Park (Florida) | 918.44 mi (1,478.09 km) |
| Darby to Claiborne (Louisiana) | 1,070.43 mi (1,722.69 km) |
| Darby to Claremont (California) | 2,353.42 mi (3,787.47 km) |
| Darby to Claremont (New Hampshire) | 282.58 mi (454.77 km) |
| Darby to Claremore (Oklahoma) | 1,131.15 mi (1,820.41 km) |
| Darby to Clarksburg (Maryland) | 117.11 mi (188.48 km) |
| Darby to Clarksburg (West Virginia) | 272.99 mi (439.34 km) |
