| Niederkassel to Dixon (Illinois) | 4,309.59 mi (6,935.62 km) |
| Niederkassel to Dobbs Ferry (New York) | 3,749.36 mi (6,034.01 km) |
| Niederkassel to Doctor Phillips (Florida) | 4,660.14 mi (7,499.78 km) |
| Niederkassel to Dodge City (Kansas) | 4,894.59 mi (7,877.09 km) |
| Niederkassel to Dolton (Illinois) | 4,250.92 mi (6,841.20 km) |
| Niederkassel to Donna (Texas) | 5,445.76 mi (8,764.10 km) |
| Niederkassel to Dorado (Puerto Rico) | 4,512.69 mi (7,262.48 km) |
| Niederkassel to Doral (Florida) | 4,745.88 mi (7,637.76 km) |
| Niederkassel to Doraville (Georgia) | 4,500.44 mi (7,242.77 km) |
| Niederkassel to Dothan (Alabama) | 4,679.89 mi (7,531.56 km) |
| Niederkassel to Douglas (Arizona) | 5,574.03 mi (8,970.54 km) |
| Niederkassel to Douglas (Georgia) | 4,562.77 mi (7,343.06 km) |
| Niederkassel to Douglasville (Georgia) | 4,526.16 mi (7,284.15 km) |
| Niederkassel to Dover (Delaware) | 3,898.80 mi (6,274.51 km) |
| Niederkassel to Dover (New Hampshire) | 3,535.96 mi (5,690.58 km) |
