| Boppard to Dardenne Prairie (Missouri) | 4,550.48 mi (7,323.29 km) |
| Boppard to Darien (Illinois) | 4,301.94 mi (6,923.31 km) |
| Boppard to Davenport (Iowa) | 4,407.57 mi (7,093.29 km) |
| Boppard to Davidson (North Carolina) | 4,323.56 mi (6,958.10 km) |
| Boppard to Davie (Florida) | 4,764.02 mi (7,666.94 km) |
| Boppard to Davis (California) | 5,574.10 mi (8,970.64 km) |
| Boppard to Dayton (Nevada) | 5,472.70 mi (8,807.45 km) |
| Boppard to Dayton (Ohio) | 4,252.46 mi (6,843.67 km) |
| Boppard to Daytona Beach (Florida) | 4,642.04 mi (7,470.64 km) |
| Boppard to De Pere (Wisconsin) | 4,177.73 mi (6,723.40 km) |
| Boppard to De Witt (New York) | 3,788.23 mi (6,096.57 km) |
| Boppard to Dearborn (Michigan) | 4,096.09 mi (6,592.03 km) |
| Boppard to Dearborn Heights (Michigan) | 4,098.35 mi (6,595.66 km) |
| Boppard to DeBary (Florida) | 4,667.33 mi (7,511.35 km) |
| Boppard to Decatur (Alabama) | 4,614.77 mi (7,426.75 km) |
