| Darby to Cloverleaf (Texas) | 1,323.73 mi (2,130.34 km) |
| Darby to Cloverly (Maryland) | 108.42 mi (174.48 km) |
| Darby to Clovis (California) | 2,390.90 mi (3,847.77 km) |
| Darby to Clovis (New Mexico) | 1,576.57 mi (2,537.24 km) |
| Darby to Clute (Texas) | 1,366.85 mi (2,199.73 km) |
| Darby to Coachella (California) | 2,281.83 mi (3,672.25 km) |
| Darby to Coalinga (California) | 2,440.33 mi (3,927.34 km) |
| Darby to Coamo (Puerto Rico) | 1,600.06 mi (2,575.04 km) |
| Darby to Coatesville (Pennsylvania) | 29.93 mi (48.18 km) |
| Darby to Cockeysville (Maryland) | 78.86 mi (126.91 km) |
| Darby to Cocoa (Florida) | 856.71 mi (1,378.73 km) |
| Darby to Cocoa Beach (Florida) | 857.03 mi (1,379.26 km) |
| Darby to Coconut Creek (Florida) | 984.16 mi (1,583.86 km) |
| Darby to Coeur d'Alene (Idaho) | 2,112.05 mi (3,399.01 km) |
| Darby to Cohoes (New York) | 212.89 mi (342.61 km) |
