| Frederick to Decatur (Alabama) | 625.55 mi (1,006.72 km) |
| Frederick to Decatur (Georgia) | 546.28 mi (879.15 km) |
| Frederick to Decatur (Illinois) | 613.17 mi (986.80 km) |
| Frederick to Deer Park (New York) | 234.93 mi (378.08 km) |
| Frederick to Deer Park (Texas) | 1,207.93 mi (1,943.98 km) |
| Frederick to Deerfield (Illinois) | 577.16 mi (928.85 km) |
| Frederick to Deerfield Beach (Florida) | 920.54 mi (1,481.46 km) |
| Frederick to Defiance (Ohio) | 387.49 mi (623.61 km) |
| Frederick to DeForest (Wisconsin) | 671.39 mi (1,080.51 km) |
| Frederick to DeKalb (Illinois) | 617.88 mi (994.38 km) |
| Frederick to Del Aire (California) | 2,281.47 mi (3,671.67 km) |
| Frederick to Del City (Oklahoma) | 1,130.01 mi (1,818.57 km) |
| Frederick to Del Rio (Texas) | 1,501.28 mi (2,416.07 km) |
| Frederick to DeLand (Florida) | 752.39 mi (1,210.85 km) |
| Frederick to Delano (California) | 2,284.36 mi (3,676.32 km) |
