| Duluth to Camarillo (California) | 1,645.43 mi (2,648.07 km) |
| Duluth to Camas (Washington) | 1,442.20 mi (2,321.00 km) |
| Duluth to Cambridge (Maryland) | 991.30 mi (1,595.34 km) |
| Duluth to Cambridge (Massachusetts) | 1,074.60 mi (1,729.40 km) |
| Duluth to Camden (Arkansas) | 913.37 mi (1,469.92 km) |
| Duluth to Camden (New Jersey) | 974.53 mi (1,568.36 km) |
| Duluth to Cameron Park (California) | 1,556.79 mi (2,505.41 km) |
| Duluth to Camp Pendleton South (California) | 1,619.85 mi (2,606.89 km) |
| Duluth to Camp Springs (Maryland) | 945.36 mi (1,521.41 km) |
| Duluth to Camp Verde (Arizona) | 1,327.16 mi (2,135.86 km) |
| Duluth to Campbell (California) | 1,652.14 mi (2,658.86 km) |
| Duluth to Campbellsville (Kentucky) | 738.15 mi (1,187.94 km) |
| Duluth to Campton Hills (Illinois) | 380.67 mi (612.63 km) |
| Duluth to Canby (Oregon) | 1,460.08 mi (2,349.77 km) |
| Duluth to Candelaria (Puerto Rico) | 2,450.14 mi (3,943.12 km) |
