| Darby to Conyers (Georgia) | 647.84 mi (1,042.60 km) |
| Darby to Cookeville (Tennessee) | 615.19 mi (990.06 km) |
| Darby to Coolidge (Arizona) | 2,057.92 mi (3,311.91 km) |
| Darby to Coon Rapids (Minnesota) | 985.15 mi (1,585.44 km) |
| Darby to Cooper City (Florida) | 1,001.44 mi (1,611.66 km) |
| Darby to Coos Bay (Oregon) | 2,503.17 mi (4,028.46 km) |
| Darby to Copiague (New York) | 111.27 mi (179.07 km) |
| Darby to Coppell (Texas) | 1,295.69 mi (2,085.21 km) |
| Darby to Copperas Cove (Texas) | 1,406.20 mi (2,263.06 km) |
| Darby to Coral Gables (Florida) | 1,024.02 mi (1,648.00 km) |
| Darby to Coral Springs (Florida) | 986.09 mi (1,586.95 km) |
| Darby to Coral Terrace (Florida) | 1,021.72 mi (1,644.30 km) |
| Darby to Coralville (Iowa) | 861.73 mi (1,386.82 km) |
| Darby to Coram (New York) | 135.94 mi (218.77 km) |
| Darby to Corcoran (California) | 2,401.71 mi (3,865.18 km) |
