| Duluth to Cordele (Georgia) | 1,115.69 mi (1,795.53 km) |
| Duluth to Corinth (Mississippi) | 838.66 mi (1,349.70 km) |
| Duluth to Corinth (Texas) | 976.87 mi (1,572.13 km) |
| Duluth to Cornelius (North Carolina) | 974.22 mi (1,567.86 km) |
| Duluth to Cornelius (Oregon) | 1,472.68 mi (2,370.06 km) |
| Duluth to Corning (New York) | 807.95 mi (1,300.27 km) |
| Duluth to Corona (California) | 1,598.04 mi (2,571.80 km) |
| Duluth to Coronado (California) | 1,636.95 mi (2,634.42 km) |
| Duluth to Corpus Christi (Texas) | 1,346.60 mi (2,167.15 km) |
| Duluth to Corsicana (Texas) | 1,040.71 mi (1,674.85 km) |
| Duluth to Cortland (New York) | 833.59 mi (1,341.54 km) |
| Duluth to Corvallis (Oregon) | 1,501.14 mi (2,415.84 km) |
| Duluth to Coshocton (Ohio) | 683.39 mi (1,099.81 km) |
| Duluth to Costa Mesa (California) | 1,621.95 mi (2,610.28 km) |
| Duluth to Coto de Caza (California) | 1,611.17 mi (2,592.93 km) |
