| Duluth to Clarksdale (Mississippi) | 873.21 mi (1,405.29 km) |
| Duluth to Clarkston (Georgia) | 986.48 mi (1,587.59 km) |
| Duluth to Clarksville (Indiana) | 667.56 mi (1,074.33 km) |
| Duluth to Clarksville (Tennessee) | 747.03 mi (1,202.23 km) |
| Duluth to Clawson (Michigan) | 529.54 mi (852.21 km) |
| Duluth to Clay (Alabama) | 949.05 mi (1,527.35 km) |
| Duluth to Clayton (California) | 1,626.71 mi (2,617.94 km) |
| Duluth to Clayton (Missouri) | 569.22 mi (916.08 km) |
| Duluth to Clayton (North Carolina) | 1,043.96 mi (1,680.10 km) |
| Duluth to Clayton (Ohio) | 617.29 mi (993.43 km) |
| Duluth to Clearfield (Utah) | 1,060.45 mi (1,706.63 km) |
| Duluth to Clearlake (California) | 1,623.80 mi (2,613.25 km) |
| Duluth to Clearwater (Florida) | 1,394.61 mi (2,244.41 km) |
| Duluth to Cleburne (Texas) | 1,034.49 mi (1,664.85 km) |
| Duluth to Clemmons (North Carolina) | 958.04 mi (1,541.82 km) |
