| Duluth to Cavdir | 5,613.52 mi (9,034.08 km) |
| Duluth to Cay | 5,575.48 mi (8,972.87 km) |
| Duluth to Caybasi | 5,615.97 mi (9,038.03 km) |
| Duluth to Caycuma | 5,447.95 mi (8,767.64 km) |
| Duluth to Cayeli | 5,711.19 mi (9,191.27 km) |
| Duluth to Cayiralan | 5,674.74 mi (9,132.61 km) |
| Duluth to Cayirhan | 5,510.91 mi (8,868.96 km) |
| Duluth to Cayirli | 5,769.12 mi (9,284.50 km) |
| Duluth to Cayirova | 5,399.00 mi (8,688.85 km) |
| Duluth to Caykara | 5,718.68 mi (9,203.33 km) |
| Duluth to Cekerek | 5,625.97 mi (9,054.13 km) |
| Duluth to Cekme | 5,381.23 mi (8,660.26 km) |
| Duluth to Celtik | 5,574.91 mi (8,971.95 km) |
| Duluth to Cerkes | 5,506.97 mi (8,862.61 km) |
| Duluth to Cerkezkoy | 5,330.69 mi (8,578.91 km) |
