| Mechernich to Dardenne Prairie (Missouri) | 4,501.86 mi (7,245.04 km) |
| Mechernich to Darien (Illinois) | 4,253.33 mi (6,845.07 km) |
| Mechernich to Davenport (Iowa) | 4,358.99 mi (7,015.11 km) |
| Mechernich to Davidson (North Carolina) | 4,275.47 mi (6,880.70 km) |
| Mechernich to Davie (Florida) | 4,717.30 mi (7,591.76 km) |
| Mechernich to Davis (California) | 5,528.48 mi (8,897.24 km) |
| Mechernich to Dayton (Nevada) | 5,426.76 mi (8,733.53 km) |
| Mechernich to Dayton (Ohio) | 4,203.89 mi (6,765.51 km) |
| Mechernich to Daytona Beach (Florida) | 4,594.70 mi (7,394.46 km) |
| Mechernich to De Pere (Wisconsin) | 4,129.19 mi (6,645.28 km) |
| Mechernich to De Witt (New York) | 3,739.77 mi (6,018.58 km) |
| Mechernich to Dearborn (Michigan) | 4,047.48 mi (6,513.79 km) |
| Mechernich to Dearborn Heights (Michigan) | 4,049.74 mi (6,517.43 km) |
| Mechernich to DeBary (Florida) | 4,620.01 mi (7,435.19 km) |
| Mechernich to Decatur (Alabama) | 4,566.35 mi (7,348.83 km) |
