| Delaware to Commerce (California) | 1,966.71 mi (3,165.11 km) |
| Delaware to Commerce City (Colorado) | 1,148.41 mi (1,848.18 km) |
| Delaware to Compton (California) | 1,973.50 mi (3,176.03 km) |
| Delaware to Comstock Park (Michigan) | 233.19 mi (375.29 km) |
| Delaware to Concord (California) | 2,075.77 mi (3,340.62 km) |
| Delaware to Concord (Missouri) | 407.57 mi (655.92 km) |
| Delaware to Concord (New Hampshire) | 626.77 mi (1,008.69 km) |
| Delaware to Concord (North Carolina) | 363.17 mi (584.46 km) |
| Delaware to Conneaut (Ohio) | 172.88 mi (278.23 km) |
| Delaware to Connersville (Indiana) | 117.70 mi (189.42 km) |
| Delaware to Conroe (Texas) | 979.54 mi (1,576.41 km) |
| Delaware to Converse (Texas) | 1,137.01 mi (1,829.85 km) |
| Delaware to Conway (Arkansas) | 626.72 mi (1,008.62 km) |
| Delaware to Conway (Florida) | 820.48 mi (1,320.43 km) |
| Delaware to Conway (South Carolina) | 497.54 mi (800.71 km) |
