| Duncan to Camardi | 6,595.63 mi (10,614.64 km) |
| Duncan to Camas | 6,504.43 mi (10,467.87 km) |
| Duncan to Camliyayla | 6,619.41 mi (10,652.91 km) |
| Duncan to Camoluk | 6,585.21 mi (10,597.87 km) |
| Duncan to Can | 6,205.89 mi (9,987.42 km) |
| Duncan to Canakkale | 6,176.58 mi (9,940.24 km) |
| Duncan to Cankaya | 6,412.24 mi (10,319.51 km) |
| Duncan to Cankiri | 6,399.73 mi (10,299.37 km) |
| Duncan to Cardak | 6,413.49 mi (10,321.52 km) |
| Duncan to Carsamba | 6,464.38 mi (10,403.42 km) |
| Duncan to Carsibasi | 6,550.25 mi (10,541.61 km) |
| Duncan to Cat | 6,681.46 mi (10,752.77 km) |
| Duncan to Catalagzi | 6,294.04 mi (10,129.27 km) |
| Duncan to Catalca | 6,198.39 mi (9,975.34 km) |
| Duncan to Catalpinar | 6,504.42 mi (10,467.86 km) |
