| Howard to Coswig | 4,273.34 mi (6,877.27 km) |
| Howard to Cottbus | 4,342.54 mi (6,988.64 km) |
| Howard to Crailsheim | 4,305.87 mi (6,929.63 km) |
| Howard to Cremlingen | 4,197.70 mi (6,755.55 km) |
| Howard to Crimmitschau | 4,316.69 mi (6,947.05 km) |
| Howard to Cuxhaven | 4,066.97 mi (6,545.15 km) |
| Howard to Dachau | 4,392.03 mi (7,068.28 km) |
| Howard to Dallgow-Doberitz | 4,266.77 mi (6,866.70 km) |
| Howard to Damme | 4,102.42 mi (6,602.21 km) |
| Howard to Darmstadt | 4,224.41 mi (6,798.54 km) |
| Howard to Dassel | 4,182.66 mi (6,731.34 km) |
| Howard to Datteln | 4,106.47 mi (6,608.73 km) |
| Howard to Dautphe | 4,180.82 mi (6,728.38 km) |
| Howard to Deggendorf | 4,422.08 mi (7,116.65 km) |
| Howard to Delbruck | 4,145.04 mi (6,670.80 km) |
