| Duluth to Civril | 5,550.96 mi (8,933.41 km) |
| Duluth to Cizre | 5,975.22 mi (9,616.18 km) |
| Duluth to Cobanlar | 5,561.69 mi (8,950.67 km) |
| Duluth to Corlu | 5,331.68 mi (8,580.51 km) |
| Duluth to Corum | 5,583.12 mi (8,985.17 km) |
| Duluth to Cukurca | 6,018.35 mi (9,685.59 km) |
| Duluth to Cukurcayir | 5,692.06 mi (9,160.49 km) |
| Duluth to Cumayeri | 5,445.05 mi (8,762.95 km) |
| Duluth to Cumra | 5,687.58 mi (9,153.28 km) |
| Duluth to Cungus | 5,842.91 mi (9,403.25 km) |
| Duluth to Dargecit | 5,949.84 mi (9,575.35 km) |
| Duluth to Davutlar | 5,503.01 mi (8,856.24 km) |
| Duluth to Demirozu | 5,743.95 mi (9,243.99 km) |
| Duluth to Demre | 5,673.69 mi (9,130.92 km) |
| Duluth to Denizciler | 5,845.72 mi (9,407.78 km) |
