| Duluth to Cedar Park (Texas) | 1,164.06 mi (1,873.37 km) |
| Duluth to Cedar Rapids (Iowa) | 333.07 mi (536.03 km) |
| Duluth to Cedarburg (Wisconsin) | 314.18 mi (505.62 km) |
| Duluth to Celebration (Florida) | 1,398.48 mi (2,250.64 km) |
| Duluth to Celina (Ohio) | 572.29 mi (921.01 km) |
| Duluth to Celina (Texas) | 961.59 mi (1,547.52 km) |
| Duluth to Centennial (Colorado) | 809.16 mi (1,302.22 km) |
| Duluth to Center Point (Alabama) | 951.19 mi (1,530.80 km) |
| Duluth to Centereach (New York) | 1,030.59 mi (1,658.57 km) |
| Duluth to Centerton (Arkansas) | 728.39 mi (1,172.24 km) |
| Duluth to Centerville (Ohio) | 636.16 mi (1,023.80 km) |
| Duluth to Centerville (Utah) | 1,059.88 mi (1,705.72 km) |
| Duluth to Central (Louisiana) | 1,121.98 mi (1,805.66 km) |
| Duluth to Central Falls (Rhode Island) | 1,075.68 mi (1,731.14 km) |
| Duluth to Central Islip (New York) | 1,028.40 mi (1,655.05 km) |
