| Herndon to Coswig | 4,162.46 mi (6,698.83 km) |
| Herndon to Cottbus | 4,238.61 mi (6,821.39 km) |
| Herndon to Crailsheim | 4,153.90 mi (6,685.06 km) |
| Herndon to Cremlingen | 4,083.42 mi (6,571.64 km) |
| Herndon to Crimmitschau | 4,193.73 mi (6,749.16 km) |
| Herndon to Cuxhaven | 3,963.75 mi (6,379.04 km) |
| Herndon to Dachau | 4,236.74 mi (6,818.37 km) |
| Herndon to Dallgow-Doberitz | 4,165.84 mi (6,704.27 km) |
| Herndon to Damme | 3,981.29 mi (6,407.27 km) |
| Herndon to Darmstadt | 4,074.46 mi (6,557.21 km) |
| Herndon to Dassel | 4,059.23 mi (6,532.70 km) |
| Herndon to Datteln | 3,971.65 mi (6,391.75 km) |
| Herndon to Dautphe | 4,041.71 mi (6,504.51 km) |
| Herndon to Deggendorf | 4,280.13 mi (6,888.20 km) |
| Herndon to Delbruck | 4,016.54 mi (6,463.99 km) |
