| Duluth to Commerce (California) | 1,617.23 mi (2,602.68 km) |
| Duluth to Commerce City (Colorado) | 795.76 mi (1,280.65 km) |
| Duluth to Compton (California) | 1,625.17 mi (2,615.46 km) |
| Duluth to Comstock Park (Michigan) | 407.75 mi (656.21 km) |
| Duluth to Concord (California) | 1,628.88 mi (2,621.43 km) |
| Duluth to Concord (Missouri) | 578.07 mi (930.32 km) |
| Duluth to Concord (New Hampshire) | 1,031.54 mi (1,660.11 km) |
| Duluth to Concord (North Carolina) | 986.37 mi (1,587.41 km) |
| Duluth to Conneaut (Ohio) | 661.60 mi (1,064.74 km) |
| Duluth to Connersville (Indiana) | 604.44 mi (972.76 km) |
| Duluth to Conroe (Texas) | 1,150.69 mi (1,851.85 km) |
| Duluth to Converse (Texas) | 1,238.20 mi (1,992.70 km) |
| Duluth to Conway (Arkansas) | 808.59 mi (1,301.31 km) |
| Duluth to Conway (Florida) | 1,391.41 mi (2,239.26 km) |
| Duluth to Conway (South Carolina) | 1,125.90 mi (1,811.97 km) |
