| Duncan to Coswig | 5,139.28 mi (8,270.87 km) |
| Duncan to Cottbus | 5,208.95 mi (8,383.00 km) |
| Duncan to Crailsheim | 5,167.66 mi (8,316.55 km) |
| Duncan to Cremlingen | 5,063.31 mi (8,148.61 km) |
| Duncan to Crimmitschau | 5,181.77 mi (8,339.26 km) |
| Duncan to Cuxhaven | 4,933.15 mi (7,939.14 km) |
| Duncan to Dachau | 5,253.53 mi (8,454.75 km) |
| Duncan to Dallgow-Doberitz | 5,133.27 mi (8,261.20 km) |
| Duncan to Damme | 4,967.34 mi (7,994.17 km) |
| Duncan to Darmstadt | 5,086.31 mi (8,185.63 km) |
| Duncan to Dassel | 5,047.50 mi (8,123.17 km) |
| Duncan to Datteln | 4,970.02 mi (7,998.48 km) |
| Duncan to Dautphe | 5,044.02 mi (8,117.56 km) |
| Duncan to Deggendorf | 5,285.39 mi (8,506.02 km) |
| Duncan to Delbruck | 5,009.34 mi (8,061.75 km) |
