| Duluth to Central Point (Oregon) | 1,534.35 mi (2,469.29 km) |
| Duluth to Centralia (Illinois) | 590.36 mi (950.09 km) |
| Duluth to Centralia (Washington) | 1,450.14 mi (2,333.77 km) |
| Duluth to Centreville (Virginia) | 922.70 mi (1,484.95 km) |
| Duluth to Ceres (California) | 1,594.59 mi (2,566.25 km) |
| Duluth to Cerritos (California) | 1,619.45 mi (2,606.25 km) |
| Duluth to Chalco (Nebraska) | 434.43 mi (699.15 km) |
| Duluth to Chalmette (Louisiana) | 1,168.79 mi (1,880.98 km) |
| Duluth to Chambersburg (Pennsylvania) | 865.71 mi (1,393.23 km) |
| Duluth to Chamblee (Georgia) | 980.53 mi (1,578.01 km) |
| Duluth to Champaign (Illinois) | 499.28 mi (803.51 km) |
| Duluth to Champlin (Minnesota) | 126.14 mi (203.00 km) |
| Duluth to Chandler (Arizona) | 1,391.61 mi (2,239.58 km) |
| Duluth to Chanhassen (Minnesota) | 149.36 mi (240.38 km) |
| Duluth to Channahon (Illinois) | 416.92 mi (670.96 km) |
